They improve public policy.

它们可以促进公共政策的改善。

youdao

They improve the soil when their leaves fall.

落到地上的树叶还能改良土壤。

youdao

And they improve practices in global markets.

他们还有助于改进全球市场的实务。

youdao

Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives.

VOA: special.2010.06.16

They may swallow their doubts because they have a sense that it will improve the market for their shares.

对这些疑虑他们只有忍受,因为他们很清楚,公司上市会增加他们的市场份额

耶鲁公开课 - 金融市场课程节选

improve your range of motion and strengthen those muscles, they get weaker during that process

改善你的运动范围并加强这些肌肉，它们就会在运动过程中变弱，

健康生活 - SpeakingMax英语口语达人

He says they improve speed by a factor of 10, and cuts latency time in half.

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They improve neither the amounts the women earn nor the the jobs they hold.

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Instead, they prefer to draw attention to other ways in which they improve the firms they own.

ECONOMIST: Private equity