public Burger Create(IIngredientFactory IngredientFactory)
{
var burger = new ChickenBurger();
//// 備料
burger.Bread = IngredientFactory.GetBread();
burger.Veggie = IngredientFactory.GetVeggie();
//// 準備雞肉
burger.Meat = IngredientFactory.GetChicken();
return(burger);
}