static void Main(string[] args)
{
var vanguard = new Vanguard("前锋");
vanguard.Attack();
var center = new Center("中锋");
center.Attack();
center.Defend();
Guards guards = new Guards("后卫");
guards.Defend();
ChineseCenter chineseCenter = new ChineseCenter("适配器");
chineseCenter.Attack();
}