友谊既是快乐之源泉，又是健康之要素。美国思想家爱默生。

Friendship is both a source of pleasure and a component of good health. — Ralph Waldo Emerson, American thinker.

youdao

友谊既是快乐之源泉，又是健康之要素。(美国思想家爱默生)。

Friendship is both a source of pleasure and a component of good health. -ralph Waldo Emerson.

youdao

友谊既是快乐之源泉，又是健康之要素。(美国思想家爱默生)。

Friendship is both a source of pleasure and a component of good health. -ralph Waldo Emerson.

youdao