override/new区别

public class American : Men  //继承了Men
    {
        public override string Speak()    //override
        {
            return "美国人说英文";
        }
        public new string Eat()   //new
        {
            return "美国人吃西餐";
        }
    }

    public class Men  //父类
    {
        public virtual string Speak()
        {
            return "默认说中文";
        }

        public virtual string Eat()
        {
            return "默认吃米饭";
        }
    }