自行车因为价格高，而且缺乏可用的零件，其使用受到限制。

The use of bicycles was constrained by their high cost and the lack of available spare parts.

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有时，他们缺乏的是来自那些他们希望其使用产品的人的反馈。

What they sometimes lack is feedback from the people who they hope will use their products.

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克林顿总统再次对美国烟草业进行攻击，指责其使用拖延战术阻止反吸烟立法。

President Clinton has renewed his attacks on the American tobacco industry accusing it of using delaying tactics to block anti-smoking legislation.

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So now that we begin to have this ability to express strings in memory, to understand what they are, we can start to apply actually real-world algorithms to them.

现在我们开始用这个技能来在内存中表达字符串,来理解它们是什么，我们可以开始,我们可以对其使用实际的，现实生活中的算法。

哈佛公开课 - 计算机科学课程节选

Plato is not only one of the greatest philosophers in history, he wrote his philosophy in the form of dialogues.

柏拉图是历史上最伟大的哲学家之一,并且,他使用对话体形式来阐述其观点

耶鲁公开课 - 死亡课程节选

Like we talked about with insulin; make large quantities of this recombinant viral protein, and use that as a vaccine.

就像我们讲过的胰岛素,生成大量重组的病毒蛋白,并将其作为疫苗使用

耶鲁公开课 - 生物医学工程探索课程节选