1. It makes COLOR the name of an enumeration, that is, a new type. 使color成为一个枚举量的名，也就是说，一个新的类型。
2. Dormancy of all threads, including system process thread. Demonstrate how to manipulate threads and thread enumeration. 休眠所有线程，包括系统进程的线程。演示如何枚举线程和操纵线程。
3. The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. 本宪法对某些权利的列举，不得被解释为否定或轻视由人民保留的其它权利。
