1、do good to （對……有益），do harm to （對……有害）
例句：Reading does good to our mind.讀書對心靈有益。
Overwork does harm to health.工作過度對健康有害。
2、Pose a great threat to ~~ （對……造成一大威脅）
例句：Pollution poses a great threat to our existence.
汙染對我們的生存造成一大威脅。
3、There is no denying that + S + V ……（不可否認的……）
例句：There is no denying that the qualities of our living have gone from bad to worse.
不可否認的，我們的生活品質已經每況愈下。
1、關於……人們有不同的觀點。一些人認為……
There are different opinions among people as to …….Some people suggest that …….
2、俗話說……，它是我們前輩的經歷，但是，即使今天，它在許多場合仍然使用。
There is an old saying…….It is the experience of our forefathers,however,it is correct in many cases even today.
3、任何事物都是兩面性，……也不例外。它既有有利的一面，也有不利的一面。
Everything has two sides and ……is not an exception.It has both advantages and disadvantages.
4、關於……人們的觀點各不相同，一些人認為……，在他們看來，……
Peoples opinions about ……vary from person to person.Some people say that …….To them,…….
1、引出不同觀點：People’s views on…vary from person to person. Some hold that … however, others believe that …人們對 … 的觀點因人而異。有些人認為… ，然而其他人卻認為…
2、結尾：Taking all these factors into consideration, we naturally come to the conclusion that…把所有這些因素加以考慮，我們自然會得出結論…
3、 That iswhy +句子那是.. .的原因。
4、 That is because +句子那是因為...
5、It goes without saying that +句子不言而喻，毫無疑問。
6、 There is no need to do沒必要做...
7、 There is no point in doing做某事毫無意義。
8、 had better (not) do最好不)做。