前人栽樹,後人乘涼 [ㄑㄧㄢˊ ㄖㄣˊ ㄗㄞ ㄕㄨˋ , ㄏㄡˋ ㄖㄣˊ ㄔㄥˊ ㄌㄧㄤˊ; qian2 ren2 zai1 shu4 , hou4 ren2 cheng2 liang2] to enjoy the benefits of the hard work of one's predecessors. (idiom) ◄ ►