Definition: a person who buys goods or a service Level: A2
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.
这位顾客在收银台前排队付款。
The ___customer is waiting in line at the checkout to pay.
顾客正在柜台点餐。
The ___customer is ordering food at the counter.
