问题是，如果起皱的手指如此有用，为什么我们的手不一直保持这种状态呢？

The question is, if wrinkled fingers are so helpful, why don't our hands just stay that way all the time?

youdao

我们的手被绑在身后，眼睛被蒙上了。

Our hands were tied behind our backs and we were blindfolded.

youdao

而从一个极端到另一个极端，我们的手是被害惨了。

From one extreme to another our hands get beat up.

youdao

And, in fact, we're going to be talking about right-handed people for the most part, making generalizations in what I'll talk about now.

实际上,我们在大多数情况下讨论到的,都是右利手的人,再从中得出我所讲的一般性结论

耶鲁公开课 - 心理学导论课程节选

And he is a violist, not a violinist, but the principle here is pretty much the same, so tell us about the construction of the instrument.

他是位中提琴手,不是小提琴手,但提琴的原理都很相近,跟我们讲解下乐器的结构吧

耶鲁公开课 - 聆听音乐课程节选

We ask him,Are your hands dirty?

我们问他，你的手脏吗？

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