朵喵喵ljh
Excuse me, the food/things you have ordered/bought costs XXXX(数字) RMB/Dollars.
xiaoshu20061
you can say:"Excuse me, sir, the total is XXX RMB or US dollars, how are you going to pay? in cash or by credit card?"(先生,您一共需要付XXX人民币或美元,您用哪种方式支付呢?现金还是刷卡?)或者:"Excuse me, sir, we shall charge you XXX"(不好意思,先生,我们需要向您收取XXX)。