Yī jiā qì qiáng, liǎng jiā yòng.

一家砌牆, 兩家用。

Lit [If] one family builds a wall, both families use [it].

Fig One party's action can benefit two parties.

Note [See also yīmiàn dǎ qiáng above.]

Topics ACTIONS BENEFITS COOPERATION FAMILIES RECIPROCITY