1) Different people have/hold different opinions/views on the question/problem/matter. Some believe that ...; Others argue that... :Still others maintain that
2) They are quite different from each other in their opinions.
3) Some people hold the opinion that it is good to ....
4) They think quite differently on this question.
5) Opinions vary from individual to individual, from culture to culture.
1) It is important (necessary, urgent, difficult, easy, convenient, comfortable, expensive, desirable, advisable) for sb. to do sth.
2) ...have trouble/difficulty/a hard time/a difficult time (in) doing sth. (有困难做某事)
Agreement: 主语和谓语在人称、数上的一致,关系代词与先行词的一致。
Ambiguity: 尽量不去使用可能引起歧义的词语或句子。
Brief: 文章"简为贵",要抓住要点,简明扼要。
Development: 主题的发挥应当充分、合理、正确。
Division: 词汇、句子、段落要分配使用得当,划分要清楚,避免使用重复字句和种子片段。
Inflated diction: 不使用做作的语言。
Key: 用适当的关键词突出主题,每段都应有主题句。
Proposition: 主张、观点、论述要清楚肯切、合情入理。
Sentence pattern: 句型要尽量多样化。