| improve the environment(expression, enhance, recover, mend) |
| improve the health(expression, enhance, recover, mend) |
| improve the literacy rate(expression, enhance, recover, mend) |
| improve the opportunity(expression, enhance, recover, mend) |
| improve the police's work(expression, enhance, recover, mend) |
| improve the situation(expression, enhance, recover, mend) |
| improve the slag(expression, enhance, recover, mend) |
| improve the terms of trade(expression, make, progress, better) |
| improve the trade balance(expression, make, progress, better) |
| improve the wording(expression, enhance, recover, mend) |
| improve through experience(expression, enhance, recover, mend) |
| improve time(expression, enhance, recover, mend) |
| improve transparency(expression, enhance, recover, mend) |
| improve understanding of(expression, enhance, recover, mend) |
| improve upon(expression, make, progress, better) |
| improve verification machinery(expression, enhance, recover, mend) |
| improve viewership(expression, enhance, recover, mend) |
| improve weapons(expression, enhance, recover, mend) |
| improve with age(expression, enhance, recover, mend) |
| improve work(expression, enhance, recover, mend) |