She was determined to prove she was no seven-day wonder whose promise would remain unfulfilled.她决心要证明自己不会昙花一现，会实现许下的诺言，不会说说就算了。The customer has the right to cancel the contract during the seven-day cooling-off period.客户在为期七天的冷静期内有权取消合同。The seven-day cruise stops at Cabo San Lucas, Puerto Vallarta and other Mexican resorts.七天的海上游览要在圣卢卡斯角、巴亚尔塔港以及墨西哥其他的一些旅游胜地停靠。