我知道有些人有做过搜索引擎优化，但是我不了解这方面的东西，我也不清楚具体的细节。

Eugene: I think there are people who do this, but I don't know it. I don't know all the details.

youdao

我知道有些人有做过搜索引擎优化，但是我不了解这方面的东西，我也不清楚具体的细节。

Eugene: I think there are people who do this, but I don't know it. I don't know all the details.

youdao