1. Now that we know that...
2. Among the most convincing reasons given, one should be mentioned...
3. The change in... largely results from the fact that...
4. There are several causes for this significant growth in..., first .... second..., finally...
5. A number of factors could account for the development in...
6. Perhaps the primary reason is...
7. It is chiefly responsible for...
8. The reasons for..,are complicated. And probably they are found in the fact...
9. There are several possible reasons, except that...
10. Somebody believes/ argues/ holds/ insists/ thinks that...
11. It is not simple to give the reason for this complicated phenomenon...
12. Different people observes it in different ways.
瘋狂英語(yǔ) 英語(yǔ)語(yǔ)法 新概念英語(yǔ) 走遍美國(guó) 四級(jí)聽(tīng)力 英語(yǔ)音標(biāo) 英語(yǔ)入門 發(fā)音 美語(yǔ) 四級(jí) 新東方 七年級(jí) 賴世雄 zero是什么意思梅州市嘉福樓(文峰一路97號(hào))英語(yǔ)學(xué)習(xí)交流群