51.  In all, as audience, let's not only enjoy the feast , but also think more about them.

52.  Well, let's consider this, certainly there are many words which have similar meanings.

53.  First of all, let's take a look at how native English speakers learn their mother toungue.

54.  Let's take the so-called "American Humor" as an explanation.

55.  Why we try to improve vocabulary, let us think about it.

56.  Let's throw word lists away, read books and materials in English as much as we can.

57.  However, let's see the followings.

58.  Let's take our experience of learning mother tongue as an example.

59.  So, throw the word list away, let's start learning words from reading.

60.  Then, let's focus the statement on tests, as many students care it very much.