We often use an electric smoothing iron to make the clothes smooth.

我们经常用电熨斗熨平衣服。

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We often use an image or symbol to describe something as clearly as possible and thus make our point as effectively as possible.

我们经常会运用比喻和象征以便尽可能清晰地描述事物，因而可以尽可能有效地阐述我们的观点。

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We often use an image or symbol to describe something as clearly as possible and thus make our point as effectively as possible.

咱们常常会应用比喻和意味以便尽量清楚地描写事物，因此可以尽量有效地论述咱们的观点。

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One way to think about it, if we want to use a classical analogy, which often helps to give us an idea of what's going on, is the spin of an electron, we can picture it rotating on its own axis.

如果我们用一个，经典的比喻来考虑它的话，这经常会帮助我们建立起一些概念，就是我们可以把电子的，自旋想象是它绕着轴自转。

麻省理工公开课 - 化学原理课程节选

We often use California as an example because it was so exaggerated.

CNN: Transcript of May 'CNN Money Summit: Money & Main St.'