This reduction in contention dramatically reduces the synchronization costs compared to a traditional thread-pool-based approach.

跟传统的基于线程池的方法相比，减少争用会大大降低同步成本。

youdao

You see you cannot tell the height or the depth rather of a pool based on the average.

只知道平均值,并不知道游泳池的水深。

哈佛公开课 - 幸福课课程节选

Women recruited now will have to undertake an initial health screening and then join in either a land-based aerobics or a pool-based aqua-aerobics programme.

BBC: Pregnant women

The uninsured in this case would be able to get coverage as a last resort from the high-risk pool, paying what they can based on their income, with taxes subsidizing the pool to keep it afloat.

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Kramer likes the firm based on its strong talent pool and reputation.

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