contribute some money"捐一些钱用"
contribute some money to the old people
I heard that it rained heavily in some places in Guangdong and people there suffered from floods. There is a donation box over there, let's contribute some money.
听说广东有些地方连降暴雨,受灾很严重,那儿有一个捐款箱,咱们去捐点儿钱吧.