The len argument defines how much data in buff is being written.

len参数定义了在buff中有多少数据要被写入。

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On one of the dirty buff-colored walls were a couple of shelves, containing in all perhaps a dozen bottles and jars.

在肮脏的浅黄色墙上嵌着几个架子，上面摆放着一打瓶瓶罐罐。

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Being a sci-fi buff, he decided that since this is the file that controls robots, it was time to add the three laws in there.

作为一个科幻爱好者，他决定，现在应该将这三条规则加入进去，因为这是一个控制机器人的文件。

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In time, any man who rushed to fight a fire became known as a fire buff because of the buffalo coat he wore.

VOA: special.2009.05.17

Someone who is deeply interested in the American Civil War is a Civil War buff.

VOA: special.2009.05.17

A buff is someone who has a strong, special interest in something.

VOA: special.2009.05.17

Actor turned up in several successful films last year, including Love in the Buff, An Inaccurate Memoir and White-Haired Witch.

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In the past, darting outside unclothed to, say, fetch the newspaper meant you ran the risk of the door shutting behind you, leaving you locked out in the buff.

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"If anyone orders Merlot I'm leaving, " says Miles Raymond, the dejected wine buff in the recent hit movie Sideways.

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