It is padded and will serve its purpose on those bike rides you might have to make.

这是填充，将成为对那些骑车的目的，您可能必须作出。

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A standard, stainless-steel wok, purchased for less than $50, will serve its purpose well.

一个标准，不锈钢炒锅，购买了不到50美元，将其目的良好。

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He said new ones will take a long time to emerge, but that "the main reserve currency, the dollar, has failed to serve its purpose."

他提到新的储备货币的出现会需要一段时间，但是“美元作为主要的储备货币已经失去了它的作用。”

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But that does not mean that it did not serve its purpose.

ECONOMIST: State of the union

It did serve its purpose, however expensive.

FORBES: Washington Works On Financial Rescue Plan

For one, under a gold standard money would serve its sole purpose as a unit of exchange, and for doing so would unleash very impressive growth.

FORBES: A Gold Standard Would Be Great, But It's Not a Deficit Cure