1. There are several reasons behind sth 替換 …reasons for sth.

2. be indicative of, be suggestive of, be fearful of 替換 indicate, suggest , fear.

3. give rise to, lead to, result in, trigger 替換 cause.

4. pour attention into 替換 pay attention to.

5. desire 替換 want.

6. frown on sth 替換 be against , disagree with sth.

7. bear in mind that 替換 remember.

8. enjoy, possess 替換 have.

9. interaction 替換 communication.

10. to name only a few, as an example 替換 for example, for instance.

11. next to / virtually impossible 替換 nearly / almost impossible.

12. regarding / concerning 替換 about.

13. crucial /paramount 替換 important.

14. 第一 in the first place/the first and foremost.

15. 第二 there is one more point, I should touch on, that.

16. 第三 the last but not the least.

17. assiduous 替換 hard-working.

18. perilous / hazardous 替換 dangerous.

19. underdeveloped / financially-challenged 替換 poor.

20. demonstrate / manifest 替換 show.

21. invariably 替換 always.

22. arduous 替換 difficult.