这就是最开始的手机口碑。

This is the beginning of mobile word-of-mouth.

youdao

口碑，是人类最原始的行销广告。

Word-of-mouth is the most primitive human marketing ads.

youdao

口碑，是人类最原始的行销广告。

Word-of-mouth is the most primitive human marketing ads.

youdao