To hear random people say 'hello' on the street to strangers or even passersby is not uncommon.

在街上对任意一个陌生人甚至是路人打招呼是非常寻常的事情。

youdao

To hear random people say 'hello' on the street to strangers or even passersby is not uncommon.

在街上对任意一个陌生人甚至是路人打招呼是非常寻常的事情。

youdao