31.  But its spirit is really great.

32.  At that time, the elephant played with one football, using its long nose.

33.  Let's go on walking, and every step leaves its print.

34.  But some people couldn't really know its means .

35.  We should know its importance and use it in our lives.

36.  Because you have maste its ragulation .

37.  " and its importance.

38.  It is reason that we master its regular and know how to deal with it and increase speed as soon as possible .

39.  We should look it up in a dictionary, and understand its all means .

40.  But How shall we understand its meaning?