http://www.marriott.com/marriott/free-night.mi
好像没有人在这提过.
Join Marriott RewardsR and be automatically registered to earn your Free Night Certificate
Stay twice at a participating hotel during your earning period. Your earning period starts the day you enroll through the end of that month, plus an additional 120 days.
Earn your free night after your 2nd paid stay at any participating category 1-5 hotel
新注册会员,入住两次可以获得 1 - 5 级免费一晚.