30. the tree diagram reveals how... 该树型图向我们揭示了如何...

31. When the government pays for tuition fees, the constraint of finance is removed, encouraging a greater number of students to attend academic courses.(表达一种假设及引发的系列后果）

32. the data/statistics/figures lead us to the conclusion that...这些数据资料令我们得出结论...

33. There is no denying the fact that air pollution is an extremely serious problem: the city authorities should take strong measures to deal with it.无可否认，空气污染是一个极其严重的问题：城市当局应该采取有力措施来解决它。

34. A proper part-time job does not occupy students’ too much time. In fact, it is unhealthy for them to spend all of time on their study. As an old saying goes: All work and no play makes Jack a dull boy.一份适当的业余工作并不会占用学生太多的时间，事实上，把全部的时间都用到学习上并不健康，正如那句老话：只工作，不玩耍，聪明的孩子会变傻。

35. This issue has caused wide public concern.这个问题已经引起了广泛关注。

36. there is an upward in the number of ...的数量有一个上升趋势...

37. The use of private cars is increasing in Shanghai, and this puts a strain on its infrastructure.（表达某一现象和后果）

38. as is shown in the table...如表格所示...

39. It must be noted that learning must be done by a person himself.必须指出学习只能靠自己。

40. the number of...remained steady/stable from (month/year) to (month/year). ...月(年)至...月(年)...的数量基本不变。

41. When it comes to education, the majority of people believe that education is a lifetime study.说到教育，大部分人认为其是一个终生的学习。

42. Punctuality is the soul of business.守时为立业之要素。

43. in the 3 years from 1995 through 1998...在1995-1998的三年中...

44. This view is now being questioned by more and more people.这一观点正受到越来越多人的质疑。