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。

　　The company needs to improve its competitive edge.

　　公司必須提高它的競(jìng)爭(zhēng)力。