If it was an unordered list, we were basically stuck with linear search. Got to walk through the whole list to see if the thing is there.

如果是一个未排序的列表,基本上我们就只能使用线性搜索了,通过遍历整个列表来查看。

麻省理工公开课 - 计算机科学及编程导论课程节选

And "it" definitely just refers to time and you only use "it" when you're talking about time.

这时，“it” 一词仅指时间，当你在谈论时间的时候，只能使用 “it”。

How long课堂 - SpeakingMax英语口语达人

I own them in the limited sense that I can use them for myself, but I can't trade them away.

我拥有票，但也界定了我只能自己使用，但不能出售它们。

耶鲁公开课 - 公正课程节选

You can only use the state variables independent of history.

你只能使用不依赖于历史的,状态变量。

麻省理工公开课 - 热力学与动力学课程节选

Whereas, right now we only have access to this memory.

然而，现在我们只能使用这个内存。

哈佛公开课 - 计算机科学课程节选

That is also an advantage of using them as gene therapy vehicles because they will only infect cells that they are - that they have an affinity for or that they're prone to affect.

非常有利于将其,作为基因治疗的载体使用,因为它们只能感染那些--,它们对之具有亲和性,或者说它们倾向于去感染的细胞

耶鲁公开课 - 生物医学工程探索课程节选

But the "it sounds like" pattern can only be used when the other person you're speaking with

但是“it sounds like”句型只能使用于当你的谈话对象

It sounds like 课堂 - SpeakingMax英语口语达人