禁止同样主题或内容简介发布在不同的版块。

To prohibit the same theme or content published in many difference forums.

youdao

另一方面，有几百万的博客存在着，其中许多都是写的有关同样的主题。

On the other hand, there are millions of blogs out there, many of them writing on the same topics.

youdao

人们同样可以按主题搜索他的草书评语。

One can also search his scribblings by subject.

youdao