So the firm produced a new line of trousers, dubbed “bike-to-work pants”, with built-in reflective materials that make wearers more visible to traffic while cycling at night.

因此这个公司开辟了一条新的流水线，专门生产这款“骑车工作裤”，其内置的反光材料使得骑车人在夜间更易被来往车辆发觉。

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This is Mr Liu, a farmer and beekeeper I met while cycling along the River Li in Yangshuo, China.

这是刘师傅，他是一位农民，也是养蜂人，我沿着阳朔漓江骑行时认识了他。

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While cycling, don't forget the traffic lights.

骑车时，不要忘记看红绿灯。

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While cycling, don't forget the traffic lights.

骑车时，不要忘记看红绿灯。

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