一举两得 (yī jǔ liǎng dé)

one move, two gains (idiom); two birds with one stone

Character breakdown

Usage

坐地铁上班既省钱又环保,一举两得。

one move, two gains (idiom); two birds with one stone

zuò dì tiě shàng bān jì shěng qián yòu huán bǎo , yī jǔ liǎng dé 。