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 games 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 development of Chinese Taiwan's economy，a lot of social problems have come to pass。
随着中国台湾经济的快速发展许多社会问题产生了。
5. ……是必要的 It is necessary(for sb。)to do / that …
…… 是重要的 It is important/essential(for sb。)to do / that …
…… 是适当的 It is proper(for sb。)to do / that …
……是紧急的 It is urgent(for sb。)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。
