1. FRANK: Knowing what you've got, comma, knowing what you need, comma, Knowing what you can do without, dash, That's inventory control. 弗兰克：了解你所拥有，逗号，了解你所渴求，逗号，了解什么是你不能没有的，破折号，这就是货存控制。
2. If you include a trailing comma at the end of the list of elements, the comma is ignored. 即如果数组字面量元素集合的最后是逗号，逗号会被忽略掉。
3. I think I was a butterfly, a butterfly only to their own. A happy butterfly! 我想我是一只蝴蝶，一只只属于自己的蝴蝶。一只快乐的蝴蝶！
4. Our country rhopalocera besides the link butterfly branch, black doctor's fee types and so on spot butterfly, flowered corbicula butterfly has the distribution in this. 我国蝶类除环蝶科外，黑脉金斑蝶、花蚬蝶等种类在此均有分布。
5. Butterfly valves are commonly used for clip-on butterfly valve and two Flanged butterfly valve. 常用的蝶阀有对夹式蝶阀和法兰式蝶阀两种。
