如果使用JSF提供登录页面，将会发生两个主要的问题。

If you use JSF to serve the login page, two main problems occur.

youdao

当血红蛋白被血红细胞排出时，产生了两个主要的问题。

Two main problems arise when hemoglobin is removed from the red blood cells.

youdao

这里有两个主要的问题要问你：一，我做的事情是否都和我目标的实现相一致呢？

There are really two major questions to ask yourself at this stage: 1) Am I doing the things that are consistent with manifesting my goal?

youdao

Now as I say, I believe that when push comes to shove, we do need to get clear about both of those questions and so that's going to take the first several weeks of the class.

如果想深入了解这个话题,就必须弄清楚这两个问题,这就是头几周课的主要内容

耶鲁公开课 - 死亡课程节选