1. be found in
2. be associated with
3. be typical of
4. the use of
5. rely on
6. be derived from 起源于
7. refer to
8. be known as sb
9. be known for sth
10. be concerned with
11. in relation to 关于，与相比
12. act on 对……起作用
13. bring about 使发生
14. protect.... from
15. together with
16. a number of
17. be able to
18. be similar to
19. be dependent on
20. with ease 熟练的