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Just imagine. Instead of having to pick up your phone and look at the screen, all of the information you need simply appears just in front of you, in your glasses. Satellite navigation (导航) directions would appear right there on the road. And your smart glasses could guide you to the right shelf in the supermarket!

Smart glasses could also be used in industry. They could show engineers the instructions they need to fix things more quickly. A doctor could carry out a difficult operation, guided in real time by someone on the other side of the world.

This may sound impossible. But most of the technologies to invent them are already there. For example, one key technology is called AR, which can make digital 3D objects appear as if they are part of the real world. We've used it a lot on our video calls. Similarly, huge progress has been made in spatial audio. This is when a sound is made to give it a sense of place, like what you hear in an empty room. Some high-end earphones can already do that. Future glasses will of course need to recognize (识别) your voice to do tasks. This technology has been widely used in our daily life.

So, why aren't we all wearing smart glasses yet? So far, no one has invented a good way to send images (映像) of our world onto glasses. However, with the rapid development of technology, smart glasses could arrive much sooner than we think.

Ma went blind at the age of two because of an illness. She became interested in music when she was young. She started to learn to play the piano at five and the violin at nine, experiencing the "colorful" music through sound and emotion.

Ma's mother Ha Chunyan, a former music teacher in a primary school, helped her memorize the music score (乐谱) before she played the piano. Ma could not see the keys and always played the wrong notes. It took her thousands of tries to play a piece correctly.

Learning the violin was more challenging. Ma needed to feel the teacher's hands, arms and back to learn the movements, and listen to the strings (弦) over and over again to feel the muscles (肌肉) herself.

"After three years of learning, she still could not make any sound except terrible noises," said Ha, who advised her daughter to give up the violin. But Ma said, "As I've been practising so long, it's hard to give up. I believe I will play better if I persist in practising."

In 2018, Ma got a chance to follow Sheng Yuan and Cao Yuhan, famous musicians from the Central Conservatory of Music, to study music in Beijing. She left her home in Ningxia to follow her musical dream, though she knew there would be more challenges ahead.

Ma expressed her excitement about performing at the big event. "All my hard work has paid off. I'm proud of standing on the stage today."

Later, the son left to join the army. After a few weeks, the old man received a letter saying his son had died while taking another soldier to a hospital. The old man became very lonely and sad.

One day, a soldier visited the old man and gave him a painting—it was a portrait (肖像) of his son. The painting of his son became the old man's most valuable item. He told his neighbors it was the greatest gift he had ever received. The following spring, the old man died.

All of the old man's paintings would be sold at an auction (拍卖会). The auction began with the painting of the old man's son.

"Who will open the price at $100?" the auctioneer asked. Moments passed and no one spoke or raised their hands. Someone said, "Who cares about that painting? Let's get on to the good ones." More voices followed in agreement. "No, we must sell this one first," replied the auctioneer. "Now, who will take the portrait of the son?"

Finally, a good friend of the old man spoke, "Ten dollars!" "Will anyone go higher?" called the auctioneer. After more silence, he said: "Going once…going twice…Sold!" The auctioneer then announced that the whole auction was over. "According to the father's will, whoever takes the son's portrait gets the whole collection." The auctioneer said.

Because of the father's love, whoever took the son got it all.

Modesty (谦逊) is a valuable quality in many cultures around the world. In China, there is no1. However, the phrase "毛遂自荐" seems to disagree with this.

During the Warring States Period, the Qin army beat Handan.2 that Handan was in danger, Prince Pingyuan asked for help from the state of Chu. He wanted to pick 20 talented people to go with him. However, he could only find 19 people who were3 enough. Then, a man named Mao Sui volunteered.

Prince Pingyuan looked at Mao Sui with doubt, "How long have you been here with me?" "Fo three years," Mao Sui answered. "I hear that a person with talent is like an awl (锥子) in a cloth bag. Its sharp point will soon make a hole in the4. You've been here for a long time, but haven't seen any of your5. Maybe you don't have any talent," said Prince Pingyuan.

"What I'm asking you now is to put me into that bag. If you do that, I will make a hole in it, but not only the point - the whole awl," Mao Sui said in a6 way. He wasn't afraid of Prince Pingyuan.

Impressed by him, Prince Pingyuan allowed Mao to join his team, and Mao7 showed that he was very helpful. Now the phrase "Mao Sui recommending himself" is used to8 someone who volunteers to do a task.

However, there is a fine9 between self-confidence and arrogance (傲慢) . It's important to believe in yourself, but being too arrogant can10 your career and professional relationships.

This is11 example. One night, Sophie went to a street party with her friends. She knew she had to be home by midnight after the fireworks, but she felt12 would be rude of her to go home first. As a result, she was late getting home. Her parents were angry at first, but when Sophie explained13 she was late, they weren't so mad. Communication is the key factor there.

Relationship can only14 with communication. Just remember,15 you get into a situation like Sophie's, tell your parents how you feel.

We need one more person to a team. 

I have no problem with it.    we can get :there on time. 

Their house  ours. 

I think you might have found another thing we have  .

It doesn't matter. You will    soon.