让我们假设另一个星球的情况与地球上的相似。

Let us suppose another planet with conditions similar to those on the earth.

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让我们假设你正试图用一堆卡片来学习一些新的、相当难的英语单词。

Let's say you are trying to learn some new and rather difficult English vocabulary using a stack of cards.

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但让我们假设一下，那些利益相关方和其他各方将始终坐在谈判桌前，并始终要求听到他们的声音，满足他们的需求。

But let's assume that those interested parties and others will always be at the table and will always demand that their voices be heard and that their needs be addressed.

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Let's imagine maybe instead we just immediately dropped the pressure let the system expand against the lower pressure.

现在假设,我们很快地降低压力,让系统在低的外压力下膨胀。

麻省理工公开课 - 热力学与动力学课程节选

He didn't actually convince me of that, but suppose we thought souls are simple, and we think simple things can't split.

他并没有说服我，但让我们假设灵魂就是简单的，并且简单的东西无法被分裂。

耶鲁公开课 - 死亡课程节选

And so he said, if you start off with a male and a female, at the end of one month they have an offspring. Let's assume they have two offspring. At the end of the next month let's assume those offspring have offspring. Again a male and female.

在13世纪的时候想要计算兔子的数量,就是一个月大的兔子,再过一个月就可以进行交配,所以它说如果你一开始有一公一母两只兔子,在一个月末它们就可以生小兔子,让我们假设它们生了两只小兔子。

麻省理工公开课 - 计算机科学及编程导论课程节选