We also have the demonstrative pronouns.

我们还有指示代词。

In this case, this is a pronoun, a demonstrative pronoun.

在这种情况下，这是一个代词，一个指示代词。

Remember that when we use " that" as a demonstrative pronoun, we're always pointing to something that has already been mentioned, and it's very important that it should be very clear what has been mentioned.

记住，当我们用" that" 作为指示代词时，我们总是指向已经提到过的东西，非常重要的是，你应该非常清楚刚才提到了什么。