let s后面加什么动词

　　Let's be practical and work out the cost first.

　　咱们实际一点儿，先计算一下成本费用。

　　Let's attack one problem at a time.

　　咱们一次全力处理一个问题。

　　It is important not to let things get out of perspective.

　　重要的是不要把事情轻重倒置。

　　Let us approach the subject from a different direction.

　　咱们从一个不同的角度来探讨这个题目吧。

　　It is important not to let production levels fall.

　　重要的是别让产量滑落。

　　Next time you're here let's have lunch together.

　　下次你到这里来，咱们一起吃午饭。