public override void BuyProduct(AbroadShop shop) { if (!shop.checkAbroad(this)) { Console.WriteLine("我无法出国购买奶粉!"); } }
public override void BuyProduct(AbroadShop shop) { if (!shop.checkAbroad(this)) { Console.WriteLine("我也未出国"); return; } Console.WriteLine("我成功到达海外商店!"); Console.WriteLine("我正在代购清单物品..."); Console.WriteLine("购买结束!不负众望!"); }