【词汇讲解】
1.extravagant adj. 奢侈的，浪费的，过度的，大量的
如：She accused us of being extravagant talk about the pot calling the kettle black!
她指责我们铺张浪费--老鸹别嫌猪黑！
The firm is big on extravagant promotion drives.
这家公司正大搞推销运动。
In his youth he was an extravagant epicurean.
他年轻时是个花花公子。
2.coupon n. 息票，票证，礼券，(购物)优惠券
如：A coupon offering two items, especially tickets for a play, for the price of one.
两件的票券提供两件的票券，尤指用一张票的价格购买的两张戏票
I have a coupon for ten pence off a packet of soap.
我有一张优惠券，买一盒肥皂可以便宜十便士。
This coupon can be redeemed at any of our branches.
这种息票可在我们的任何分行兑现。
3.redeem vt. 赎回，挽回，履行
如 ：The sole redeeming feature of this job is the salary.
这份工作唯其薪水尚可弥补一切之不足。
Jones redeemed his earlier poor performance by scoring two goals.
琼斯射入两球方弥补其初时表现之不足。
She redeemed her reputation with a powerful speech to the party convention.
她由于向党代表大会做了有力的演说而挽回了自己的声誉。