This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.

但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

If it's possible, use animals that don't feel pain, or use lower forms of life.

如果可以的话，请使用那些感觉不到疼痛的动物，或者用低级生物。

需要动物实验吗？ - SpeakingMax英语口语达人

If you wait until the next day, you pay a lower price but you don't get the dividend.

如果你第二天再买,买入价低,但没有分红

耶鲁公开课 - 金融市场课程节选

I'd be much happier if I don't care, if I lower my levels of expectation.

不在乎会让我更快乐，如果我降低期望水平。

哈佛公开课 - 幸福课课程节选

Why don't you use something that has much lower energy?

为什么你不用一些,能量更低的东西呢？

麻省理工公开课 - 固态化学导论课程节选

There will be days when you're very busy, you don't have time to eat and your food intake is lower then normal.

有些天你可能很忙,没有时间吃东西,你的食物摄入就比平时少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They could say I won't lower my prices if you don't lower your prices, and they could put this contract in with the pricy lawyer, who's taking a day off from the divorce court, and that would secure that they wouldn't lower prices on each other.

可以协定好你不降价我就不降,然后可以找个刚处理完离婚纠纷的,著名律师来作见证人,那样他们就放心对方不会打价格战了

耶鲁公开课 - 博弈论课程节选

So if we don't have to hybridize one of the p orbitals, we can actually end up with a lower energy situation, because now these s p 2 orbitals are 1/3 s character, and only 2/3 p character, instead of 3/4.

我们的杂化轨道就有更多的p轨道成分，所以它们的能量更高，如果我们不杂化这个p轨道，我们可以得到一个能量更低的情况。

麻省理工公开课 - 化学原理课程节选