· 句意 ·

同样是流落异乡的人，思想感情息息相通，又何必在乎 以前是不是认识呢　?

表明遭遇、命运相同的人能同病相怜，心生共鸣。

· 英译 ·

When people who have the similar experience meet outside of their hometowns， who cares whether they knew each other or not before?

To indicate people who have the similar experience usually have the similar emotion.

· 原诗 ·

琵琶行(节选)

唐　白居易