Gharib and Graff set themselves the task of raising a 4.5-meter stone column from horizontal to vertical, using no source of energy except the wind.

加里卜与格拉芙制定了一项任务：仅利用风能，将一个水平放置的4.5米高石柱提至与地面垂直。

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was the project efficient – in terms of using no more resources than necessary.

项目的效率是否高-资源使用量是否超过了必要

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Dutch scientists have come up with a DNA test that can determine a person's natural hair color, using no more than a drop of blood or saliva.

荷兰科学家发明了一项DNA测试，只需利用一滴血液或者唾液，就可以测定一个人天然的头发颜色。

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The sculptures were made using no supports, so they could fall over at any time.

VOA: special.2009.07.17

It will probably quit at some point because of space issues, unless I'm writing an algorithm that is using no additional space.

其中一个的时候，它会一直运行下去,它可能在某一处因为空间问题退出,除非我写了一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

We had no idea what was going on with the system, with how people were using it. We were making guesses.

我们不知道这个系统会怎么样，也不知道人们用得怎么样，我们只是在猜测。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Harper defines toning exercises as body-specific, weight-bearing routines that build lean muscle, often using no equipment and only your own body weight as resistance.

FORBES: Magazine Article

While the average consumer does indeed have myriad questions about this topic, uncertainty is heightened among those using No Pre-Set Spending Limit (NPSL) credit cards.

FORBES: The Pitfalls of No Pre-Set Spending Limit Credit Cards

They funded their deal with all cash, using no debt.

WSJ: The Game: A GM Unit in China's Hands