This is hard to achieve when, as is now the case in many big firms, a large proportion of staff are temporary contractors.

这是很难实现的，因为现在许多大公司的大部分员工都是临时合同工。

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The Newsweek list of top U.S. high schools was made this year, as in years past, according to a single metric, the proportion of students taking college-level exams.

和往年一样，《新闻周刊》今年的美国顶尖高中排行榜是根据参加大学水平考试的学生比例这一单一指标编制的。

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Worldwide, up to 40% of injections are given with syringes and needles reused without sterilization and in some countries this proportion is as high as 70%.

在全世界，高达40%的感染是由不经消毒重复使用的注射器和针头引起的。在有的国家，这一比例竟高达70%。

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Some proportion of people in this room have phobias.

在座一定有人是恐惧症患者。

耶鲁公开课 - 心理学导论课程节选

The only exception is the third-ranked San Francisco- Oakland-Fremont metropolitan statistical area, which has logged 21% growth in this sector since 2001, while expanding the proportion of such jobs in the local economy to nearly twice the national average.

FORBES: The Cities Winning The Battle For The Biggest Growth Sector In The U.S.

This can be seen in the proportion of respondents who described themselves as bearish.

FORBES: Bearish Sentiment With Slow Growth Chaser

The trick, he thinks, is that this downscaling is done in proportion to the existing strength of each synapse.

ECONOMIST: Memory formation