词汇讲解：
1. merchandise n. 商品,货物
例句：The shop windows are filled with foreign merchandise.
商店橱窗里摆满了外国商品。
2. deter vt.阻止;制止
例句：Failure did not deter him from trying again.
失败并未使他泄气罢休。
3. casual adj. 随便的, 非正式的
例句：The guests wore casual clothes.
客人们穿着便服。
4. brand n. 商标, 牌子
例句：What is your favourite brand of cigarettes?
你最喜欢哪种牌子的香烟?
5. outlet n. 销路;商店,商行
