Coupon system
[经] 附送赠券的商品推销法
🧩 词语组成解析
coupon
['kupɑn]
n. 优惠券;息票，通票;试样，试件;配给券;
🗣️ 情景例句
Smoking is bad for your health.
吸烟对你的健康有害。
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。