这也是我对之前提到那本书的第一想法。

Which is how I originally came upon the book I mentioned a moment ago.

youdao

惯性是非常强的力量，我之前提到过。

Again, inertia is a very strong force.

youdao

正如我在我的评论，你之前提到的问题。

As I mentioned in my comment to your previous question.

youdao

正如我在我的评论，你之前提到的问题。

As I mentioned in my comment to your previous question.

youdao