31.  Reading books or other materials can not only let us know the word, but also enable us to keep the use of the word in mind.

32.  Now let's talk something about it.

33.  We need you to join in. "Quality, the life of the company" , let's take this to heart, and take our company to the successful future!

34.  Let us suppose there is a mission that we should create an advertisement for a company.

35.  Let's fight for our future.

36.  So, let us all take our new marketing project to heart.

37.  Let us review how we developed our first language's vocabulary.

38.  Second let's see how efficient the two ways of remembering words is.

39.  Let's think about how we learn Chinese's words when we are young.

40.  Let's exert ourselves to work in the company together to create a bright future.