这也是为什么很多门户网站、专业网站很轻易拉到广告，而良莠不齐的博客网站没有广告的原因。

This also is why website of a lot of portals, professional website pulls ad very easily, and the rich guest website of the good and bad are intermingled does not have advertising account.

youdao

这也是为什么很多门户网站、专业网站很轻易拉到广告，而良莠不齐的博客网站没有广告的原因。

This also is why website of a lot of portals, professional website pulls ad very easily, and the rich guest website of the good and bad are intermingled does not have advertising account.

youdao