顾客正在柜台点餐。

The ___customer is ordering food at the counter.

这位顾客在收银台前排队付款。

The ___customer is waiting in line at the checkout to pay.

这家律所的所有客户资料都严格保密。

All ___customer files at this law firm are kept strictly confidential.

服务员给那位顾客端上了一杯热咖啡。

The waiter served a cup of hot coffee to the ___customer.