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, …= To my mind, …= As far as I am concerned, …
　　
　　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 Taiwan's economy, a lot of social problems have come to pass. 随着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（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 prop