将列表转换为逗号分隔的MySQL插入语句

I've the following two classes;

我有以下两门课;

public class CarModels
{
    public List<Model> Model{ get; set; }

    public CarModels()
    {
        Model = new List<Model>();
    }
}

public class Model
{
    public int ModelId { get; set; }
    public string Name { get; set; }
    public bool Enabled{ get; set; }
}
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