Have you ever noticed you?We believe you know KFC.That's it!List as you can here,whatever you know.只求答案，要的是速度。
參考答案:there are so many things.
Just like:
NBA=National Basketball Association 全美篮球协会
WC=Water Closet厕所
CEO=Chief Executive Officer首席执行官
GDP＝Gross Domestic Product 国民生产总值
WWW＝World Wide Web万维网
and so on!