每次讨论，一组的任务是提出意见，另一组则要“拍砖”反驳。

In each discussion, one group is given the task of offering ideas, a "shadow" group that of shooting them down.

youdao

这个话题不时在报上提出来，每次讨论总是非常热烈。

Time and again, when this issue is debated on in the newspapers, the discussions that ensue are always quite heated.

youdao

你必须确保每次讨论都有结果，并且，你还要保证决策是正确无误的。

You have to ensure every debate has closure, and what \ \ \ \ \ \ \ 's more, you have to ensure that the decision is correct.

youdao

So, for the most part any time we talk about or draw pointers an arrow suffices, which really 71 in there is a number like 71, which is the literal byte that the F is actually in in RAM, but frankly who cares?

所以，每次我们讨论,或者用箭头表示指针,在指针里面有一个数字，如,那是F在RAM中的字节，但是谁在乎它呢？

哈佛公开课 - 计算机科学课程节选