a product or service that is sold at less than its usual price, to encourage people to buy it; the act of offering goods or services in this way 特价商品；特价销售；特卖◆a special offer on suits 西服特价销售◆Selected cheeses are on special offer this week. 本周优质奶酪特价销售。
an extra item that is given free or at a low cost with a product or service to encourage people to buy the product or service （为鼓励人们购买而免费给予或低价出售的）赠品