His quality of life has improved dramatically since the operation.

　　手術后他的生活質量大大改善了。

　　A new system has been devised to control traffic in the city.

　　控制城市交通的新系統(tǒng)已經(jīng)設計出來。

　　The company has a long tradition of fine design.

　　這家公司的優(yōu)秀設計歷史悠久。

　　The country has a poor record on human rights.

　　這個國家人權記錄不佳。

　　The information has been placed in the public domain.

　　這資料不受版權保護。