它自己

• Every country has its customs , he observed
  “每个国家都有它自己的习俗。 ”他说。
• Defines its own set of roles and responsibilities
  定义了它自己的一组角色和职责。
• In principle , a concrete child could add its own
  原则上，具体子类可以添加它自己的
• So , a client can arrange to take a snapshot of the
  这样，客户机可以安排取它自己的
• Hurry up and open it - - - before it opens itself
  赶快打开它在它自己打开之前！