as(the) saying goes 正如俗语所说
如: You have to look before you leap, as the saying goes.
谁去了那里?
Who went there?
who did go there?
as saying goes 可以放在句首,后面往往是跟一句谚语或者有哲理的话,可以分开使用,单独算作一句话。
Who has gone there?
as saying goes 意思是因为句古话这样说!
who has been/gone there?
俗话说
第1个问题:who has gone there?
第2个问题:As an old saying goes, knowledge is power.
俗话说,知识就是力量。