_1. 不用说…… it goes without saying that …
_= (it is)needless to say(that)…
_= it is obvious that …
_例：不用说早睡早起是值得的。
_it goes without saying that it pays to keep early hours。
_2. 在各种……之中，…… among various kinds of …，… /= of all the …
_例︰在各种运动中我尤其喜欢慢跑。
_among various kinds of sports，i like jogging in particular。
_3. 就我的看法……;我认为……
_in my opinion，…
_= in my mind，…
_= as far as i am concerned，…
_= i am of the opinion that …
_例：in my opinion，playing video *s not only takes much time but is also harmful to health。
_就我的看法打电动玩具既花费时间也有害健康。
_4. 随着人口的增加…… with the increase/growth of the population，…
_随着科技的进步……with the advance of science and technology，…
_例：with the rapid d*lopment of *'s economy，a lot of social problems have come to pass。
_随着*经济的快速发展许多*问题产生了。
_5. ……是必要的 it is necessary(for *。)to do / that …
_…… 是重要的 it is important/essential(for *。)to do / that …
_…… 是适当的 it is proper(for *。)to do / that …
_……是紧急的 it is urgent(for *。)to do / that …
_例：it is proper for us to keep the public places clean。
_it is proper that we(should)keep the public places clean。
_我们应当保持公共场所清洁。
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