这是因为当你知道目标在哪里时，你只能在心里做好准备。

That's because when you know where your goal is, you can only prepare yourself well in the mind.

youdao

只有当你知道你的目标在哪里时，你才会有勇气。

You can have courage only when you know where your goal is.

youdao

如果你知道你的目标在哪里其余的很简单。

If you know where your destination is, the rest is easy.

youdao

It's only going to bind to fragments that contain that piece of the gene, and it will make those visible to you in some way so you can see where your gene traveled.

它只会和有那段序列的片段结合,从而能让你看到那段片段在哪里,你就可以知道目标基因片段到了哪个位置

耶鲁公开课 - 生物医学工程探索课程节选