1. When you buy something at a store you will get a receipt.2. I won NT200 from Taiwan's receipt lottery last month.3. Taiwan's receipt lottery falls on the 25th of every odd-numbered month, or January, March, May, July, September and November.
Receipt很多人以為統一發票是 invoice，其實並不是，因為 invoice 是帳單的意思，而統一發票是收據的意思，別搞錯囉。而 receipt lottery 就是統一發票抽獎的意思。第一個例句的意思就是 "我上個月中了兩百元統一發票"。
When I asked him for directions, he gave me a gofy smile.