zhè / jiā / diàn / měi / gè / yuè / dōu / huì / liú / chéng / yī / bù / fèn / shōu / rù / yòng / lái / wéi / xiū / shè / bèi这家店每个月都会留成一部分收入,用来维修设备。This store retains part of its monthly income to maintain its equipment.