No one really knows how many different faces someone can recall, for example, but various estimates tend to hover in the thousands—based on the number of acquaintances a person might have.

例如，没人确切地知道一个人究竟能记住多少张不同的面孔，但是各类评估倾向于几千张上下——依据一个人可能相识的人数来判断。

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But various plastic-based garments can lose more than 1,900 fibers per wash.

但是以塑料为基础的衣服每洗涤一次能失去1900纤维。

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Their efforts may be insufficient, but various lines of evidence suggest that any errors it is inserting are not too bad.

他们的举措可能是不充分的，但是不同的证据暗示偏差并不是太大。

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"They're looking at putting money into various programs at NASA but not having any goals.

VOA: special.2010.04.28

And of course, since it's not just black and white, good life or bad life, but various shades of gray, better lives and worse lives, what's the yardstick by virtue of ? which we measure better and worse lives?

因为不是单纯的黑白，好或坏的人生，两者是混杂的，更好的人生和更坏的人生，衡量更好和更坏人生的,道德标准是什么？

耶鲁公开课 - 死亡课程节选

I could use any example but I'm going to use something which plainly does move around among various semiotic systems.

这个例子很平凡,随处可见。

耶鲁公开课 - 文学理论导论课程节选

But various studies commissioned after the event said demand had not spiked at all.

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But various laws will have to be amended if Japanese forces are to play a wider role.

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But various recent studies have found that up to 30% of prolonged coughing bouts in adults are from pertussis.

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