1.If you buy these goods, you’ll get special discount coupons.

如果你买这些商品，你就会得到特别减价的优惠券。

2.You get a coupon for every 3 bags of sugar.

每买3袋糖就可获得1张优惠券。

3.It can be exchanged for shopping coupons.

它可以换成购物券来用的。

4.Can I get a discount coupon if I buy these goods?

如果我买这些东西我能得到一张减价的优惠券吗?

5.Excuse me, how can I get special discount coupons?

麻烦问下，我怎样才能得到特价的优惠券?

6.Buy more and get more special discount coupons.

多买多送特价优惠券。

7.I will take 9 bags of sugar so that I can get 3 coupons.

我要买9袋糖，也就可以得到3张购物券了吧。

8.You get a coupon for every 3 gallons of petrol.

每买3加仑的汽油就可获得1张优惠券。

9.I'll give you a rain check so you can still get the special price when we get in a fresh stock a couple weeks from now.

我会给你一张优惠券，从现在起两周内有新货到的话你仍可以打折扣。