大佬们，我想实现在linq中join两张表，不是根据两表的某个字段相等，而是A表中T1字段包含B表中T2字段，该怎么实现呢？我用Join方法中IEqualityComparer，但是没有效果。

比如下面这个语句，就不能达到效果，我发现貌似是先join之后，再执行的IEqualityComparer方法。。谢谢，大佬们。。。

class Program
    {
        static void Main(string[] args)
        {
            List<Model1> list1 = new List<Model1>();
            for (int i = 0; i < 10; i++)
            {
                list1.Add(new Model1() { id = i, name = "name" + i });
            }

            List<Model1> list2 = new List<Model1>();
            for (int i = 10; i < 20; i++)
            {
                list2.Add(new Model1() { id = i, name = "name" + i });
            }
            list2.Add(new Model1() { id = 100, name = "name1,name2,name3" });
            list2.Add(new Model1() { id = 101, name = "name5,name6" });
            list2.Add(new Model1() { id = 102, name = "name7,name4" });

            var list = list2.Join(list1, l2 => l2.name, l1 => l1.name, (l1, l2) => new { l1 }, new EqualityComparer());

            Console.ReadKey();
        }
    }
    class Model1
    {
        public int id { get; set; }
        public string name { get; set; }
    }

    class EqualityComparer : IEqualityComparer<string>
    {
        public bool Equals(string x, string y)
        {
            return x.Contains(y);
        }

        public int GetHashCode(string obj)
        {
            return obj.GetHashCode();
        }
    }