我过去一直认为常规的乘客里程只会奖励给那些常客，或者是那些使用美国运通旅行支票的乘客以及为大公司花费的人。

I used to think frequent flier miles were only awarded to, you know, frequent fliers. Or people who use an American Express for big company expenses.

youdao

嗨，我想兑换美国运通的旅行支票。

Hi. I'd like to cash an American Express traveler's check.

youdao