void Start () {

        TestList ();

    }

    void TestList () {

        Debug.Log ("list方法测试");

        List<string> list1 = new List<string> (){"aa", "bb", "cc"};

        List<string> list2 = new List<string> (){"dd", "ee", "ff"};

        Debug.Log ("before:" + list1.Count + ", " + list2.Count);

        list2.Insert (, list1 []);

        list1.RemoveAt ();

        Debug.Log ("after:" + list1.Count + ", " + list2.Count);

        Debug.Log("list1:" + Utils.PrintList (list1));

        Debug.Log("list2:" + Utils.PrintList (list2));

    }