xiōng dì liǎ / gòng tóng / chéng dān / fèi yòng / lún liú / fèng yǎng / nián mài / de / mǔ qīn

兄弟俩共同承担费用，轮流奉养年迈的母亲。

The two brothers share the expenses and take turns looking after their elderly mother.