子类继承父类有参的构造函数

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace WebApplication1
{
    public class Car
    {
        private string name;

        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        public Car(string name)
        {
            this.Name = name;
        }
    }
    public class SmallCar : Car
    {
        public SmallCar(string aa)
            : base(aa)
        {
            this.Name = aa;
        }
    }
}