No one drug will suit or work for everyone and sometimes several may have to be tried.

没有任何一种药会对每个人都适用或有效，有时得试好几种。

《柯林斯英汉双解大词典》

One of them is a word counter, which counts for certain word occurrence in several files.

其中之一是单词计数器，它统计某一单词在几个文件中出现的次数。

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One longtime critic, Les Perelman, has drawn national attention several times for putting together nonsense essays that have fooled software grading programs into giving high marks.

皮瑞尔曼是一位资深评论家，曾把一些毫无意义的文章拼凑在一起，骗过了评分软件并给了他高分，这多次引起了全国的注意。

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He wrote several long poems, but is best known for his one hundred and fifty-four short poems,or sonnets.

VOA: special.2010.01.06

But 3-D TVs are expected to cost a lot with one selling for several thousand dollars.

VOA: special.2010.01.26

Usually a one-day event, the celebration continued for several days around the actual holiday.

VOA: standard.2010.04.25

Whether SolarCity has broken the so-called solar curse that has seen several solar manufacturers file for bankrupt and one high-prolife company, BrightSource Energy, pull its IPO this year, remains to be seen.

FORBES: SolarCity Shares Up 50% In Market Debut

Wednesday's incident was the latest in several headline-making issues for one of the world's leading cruise lines.

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Giteau adding the conversion and a penalty to make it 10-0 before Donald slotted one for the All Blacks, who lost several line-outs early on.

BBC: New Zealand 22-16 Australia