When used to is put into the negative or a question, it changes spelling and loses a D.

当 “used to” 用在否定句或疑问句里时，拼写要发生变化，要舍去字母 “d”。

But the distribution wouldn't go into the negative domain.

但是分布不会进入负域。

Sorry, " does" into the negative is " didn't" in the past, but this is where we always make a mistake.

不好意思，过去把“does”变成否定的“didn't”，但这是我们经常犯错误的地方。

Secondly, admittedly, part of the post-80 and -90 college students fit into the negative image, but they can not represent all the college students.

第二，无可否认，部分80、90后学生确实造成了一些负面影响，但是，他们不能够代表所有的学生。

Well that was five things but don't leave yet because down there in the description I have put some practice material because all of the five things we talked about can also be put into the negative.

好吧，那是五件事，但不要离开，因为在描述的下面我已经放了一些练习材料，因为我们谈到的所有五件事也可以放在否定中。