真诚的友谊好象健康，失去时才知道它的可贵。——歌尔登。

Sincere friendship like health, the value of which is seldom known until it is lost.

youdao

真诚的友谊好象健康，失去时才知道它的可贵。——歌尔登。

Sincere friendship like health, the value of which is seldom known until it is lost.

youdao