1、A life without a friend is a life without a sun.
人生没有朋友，犹如人生没有了太阳。
2、A friend is a second self.
朋友乃第二个自我。
3、Between friends all is common.
朋友间不分彼此。
4、Friendship is a love without wings.
友谊是一种无形的爱。
5、A friend to all is a friend to none.
滥交者没有朋友。
