共同利益

common interest / mutual benefit

common / general / to share / together / total / altogether / abbr. for 共產黨|共产党[Gong4 chan3 dang3], Communist party

common / joint / jointly / together / collaborative

like / same / similar / together / alike / with

see 衚衕|胡同[hu2 tong4]

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

benefit / (in sb's) interest / CL:個|个[ge4]

surname Yi

benefit / profit / advantage / beneficial / to increase / to add / all the more