The second has most of the books that are as clean as those on the day they were bought.

第二种人大部分的书都像刚买那天一样干净。

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The second has a great many books-a few of them read through, most of them dipped into, but all of them as clean and shiny as the day they were bought.

第二种人藏书很多—其中几本被通读过，大部分则浅尝辄止，但是所有的书都跟新买时一样整洁光亮。

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It also quoted a cleaner who said he had to clean children's excrement off the streets as often as 20 times a day.

该杂志还援引了一位清洁工的话说，他每天要在大街上清理小孩子的大小便20多次。

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The company uses patented technology to manufacture atmospheric water generators which, in certain geographic climates, can take humidity from the atmosphere and convert it into as much as 1200 liters of clean, potable water per day.

FORBES: Investors Are The Key To Solving The World's Water Problems

The sekitori are exempt from many chores, are free to marry and live outside of the stable, but the novice rikishi are expected to cook, clean and tend to the needs of their seniors, as well as train many hours every day.

BBC: The life of a sumo wrestler

For 15 years, our country has celebrated America Recycles Day as a time to focus on conserving valuable materials, keeping our communities clean, and protecting our environment.

WHITEHOUSE: Presidential Proclamation -- America Recycles Day, 2012