  573 Ӧʶ
  1 Ϊһˡһͨ˵ĹиζҪܵĹͬʱҲҪܳܵʹࡣܿζķףζΪࡢΪ˵ΪⲽܵĴۣҲζཫҪʮּϾѪĴۣĴۣκһ֮߱ġʵʣ߱ǣܵ࣬ܵĹκһܴ֮ģڶʱ¶顣
  2 ˹ʱһεʽһεһġڼ䣬ȻޱڷĹǣͬʱҲڲϵš˵˵֪ڴ˴ڼ䣬Ҳڲϵ¶飬Լ⡣˵ӿʼൽڣ顢κһ˶ǹģûʵʡ顢⣬ֻ˶ʲôΣ˶˽ٵÿ
   ʶԼ һ
