public void Play(Beach b) { Console.WriteLine("我要准备泳装"); b.Go(); }
public void Play(Beach b) { Console.WriteLine("我要准备泳装"); b.Go(); }
public void Play(Beach b) { Console.WriteLine("我要准备泳装"); b.Go(); }
public void Play(Beach b) { Console.WriteLine("我要准备泳装"); b.Go(); }