注： 本文原文出自《经济学人》杂志


1,grants

2.external

3.picture

4.For example

5.fearful

6.on

7. if

8.test

9.success

10.chosen

11. otherwise

12.conducted

13.rated

14.took

15.then

16.marked

17.before

18.drop

19.undo

20.necessary