If you take 3 from 7,4 remain(s).7减3余4
Nothing remains but to draw the moral.祗要引出其中的教训就行了.
The memory remains with us.我们还有印象.
Much yet remains to be done.还有许多事情要做.
It remains to be seen.仍需要看一看.

remain behind 留下来
They remained at the hotel till Monday. 他们在旅馆逗留到星期一.

remain faithful忠诚不变的
For a moment he remained speechless. 他沉默了一会儿
remain a bachelor 仍过着独身的生活
I am afraid this will remain with me an unpleasant memory. 对我来说,这恐怕会永远成为一个不愉快的回忆了.
Let it remain as it is. 听其自然吧
She remained standing there. 她仍然站在那里.

Victory remained with the Thebans.胜利属于底比斯人.