It turns out there's actually no natural function known in the body for lithium.

事实上我们已知的身体机能,在正常情况下根本不需要锂。

麻省理工公开课 - 化学原理课程节选

In a normal--in a simple partnership, the partnership would not be taxed because it's you doing business just as partners, so you are taxed but not the partnership.

简单的合伙制企业,正常情况下是不需要缴税的,因为你是在以一个合伙人的身份来做生意,所以要对你征税而不是合伙制企业

耶鲁公开课 - 金融市场课程节选

In rare, but not unheard of, cases, some people begin to have those unusual biological processes and then return to the normal biological processes and can talk about what was happening in the unusual biological processes.

在少见,但并非从未听闻的,情况下,有些人开始,经历那样一些不正常的生理过程,然后回归正常的生物学过程,他们可以谈论,在那个不正常的生物过程里发生了什么

耶鲁公开课 - 死亡课程节选

It must have been that they somehow knew on the issuance date that the stock price was going to go up, but he said they couldn't possibly know that in these general circumstances.

这一定是,他们在发放期权的当日就知道,股价将要上涨,但是李认为在正常情况下,他们是不可能知道的

耶鲁公开课 - 金融市场课程节选