Ouyang said: volunteers have to do is keep the depth and gain their trust.

欧阳说：志愿者们要做的就是不断的深入并取得他们的信任。

youdao

Ouyang said: volunteers have to do is keep the depth and gain their trust.

欧阳说：志愿者们要做的就是不断的深入并取得他们的信任。

youdao