例句：

　　Our first priority is to improve standards.

　　我們的頭等大事是提高水平。

　　He made a genuine attempt to improve conditions.

　　他真心實(shí)意地努力改善環(huán)境。

　　Everyone can greatly improve the quality of life.

　　人人都能大幅提高生活質(zhì)量。