common knowledge例句
It's pointlessly trying to keep your friendship secret — it's
common knowledge already.
你们无须将友情保密——其实已尽人皆知.
It is
common knowledge that the earth is round.
地球是圆的是常识.
It is
common knowledge that swimming is one of the best forms of exercise.
大家都知道游泳是最好的锻炼方式之一。