It's an AOK teaching method.

这是一种完美可行的教学法。

youdao

AOK, I understand. But if you finish early, you could come.

好吧，我理解。但是如果你早点结束的话，你要来啊。

youdao

AOK, I understand. But if you finish early, you could come.

好吧，我理解。但是如果你早点结束的话，你要来啊。

youdao