然而路德中心研究发现青少年倾向于常规菜单，购买1,100卡路里相当的套餐，约莫是建议他们日均卡路里摄入量的一半。

But the Rudd Center study finds that teens move on to the regular menu - and purchase meals that have as much as 1,100 calories.

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对比之下，根据伦敦运输局官网上的数据，伦敦地铁总长402千米，日均载客量3百万人次。

By comparison, London Underground is 402 kilometers long and carries about 3 million passengers daily, based on data on Transport for London's website.

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2008年8月的日均成交量比当年的日均成交量大概低15%。

In 2008, the average daily volume in August was roughly 15% lower than the average daily volume for the year.

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