我认为在这一点上你并不了解中国。在中国，有4亿左右的互联网用户和8亿左右的移动电话用户。

In China, there are about 400 million Internet users and 800 million mobile phone subscribers.

youdao

我认为你完全不了解这项工作的危险性。

I don't think you appreciate the danger of this job.

youdao

我认为在这一点上你并不了解中国。

I don't think you know all about China on this point.

youdao

我认为在这一点上你并不了解中国。

I don't think you know all about China on this point.

youdao