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The ebike has become an essential item, and even the King has been spotted riding one. According to the market research company Mintel, sales have almost tripled over the past five years. While ebikes have become increasingly commonplace, they are still undeniably expensive. You can pick up a perfectly adequate push bike for £300, but most ebikes cost nearly £2,000.Now, Cycling Electric, designed to help consumers choose an ebike, offers the following recommendations.

Best folding bike

Carbo Model X

Price: £2,799| Weight: 13.3kg

Range: up to 34 miles

This is one of the most convenient bikes, from a little-known label. The lightweight Carbo X is the perfect example of convenience thanks to its carbon frame and belt drive, instead of a metal bike chain. This makes it lighter and less likely to get messy than an electric Brompton, with its more traditional, oily chain.

Most stylish

Temple Cycles Classic

Price: from £2,995 | Weight: 19kg

Range: up to 74 miles

This Bristol-based brand is known for its elegant pushbikes, which are hand-built in the city. This is its electric version. It's a very sleek and functional commuter option and not too heavy. Temples have fewer proprietary（品牌专卖的）parts and so are serviceable in any bike shop. Stylish as they may be, the VanMoofs and the Cowboys can be a bit more complex to get back-up and service.

The money-no-object option

Riese & Müller Nevo4 GT Vario GX

Price: £5,380|Weight: 28.4kg

Range: up to 93 miles

This is a prime example of the attention to detail delivering a high-quality experience in functionality, comfort and practicality-if you can afford it. It has the capacity to handle 25kg of luggage in a pannier, powerful road lights and a beautifully smooth motor.

Who invented the tea bag? One popular legend says New York tea trader Thomas Sullivan invented in 1908. The tea bag was a bag (contain) a small quantity of tea leaves with which to brew a single cup (沏茶). Sullivan began marketing tea bags around 1908. He shipped (variety) tea bags all over the world. One day, he decided to send samples to his (customer) in small, hand-sewn silk bags instead of sealing the tea in expensive tins. He thought they would remove the tea leaves from the bags to brew tea, they didn't. Some of them (simple) poured boiling water over the bags. When they (write) to Sullivan that the silk was too waterproof to brew good tea, he switched to more porous gauze (多孔纱布) bags. More people were interested buying Sullivan's new tea bags. Individual tea bags became more popular during the 1920s, when machines (invent) to make and pack them commercially. Sullivan may not have invented tea bags, his successful marketing of an idea has put individual tea bags in nearly every kitchen in America.

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