static void Main(string[] args) { Resume resume = new Resume("小明"); resume.SetPersonalInfo("男", "21"); resume.SetWorkExperience("2019-2020", "IT公司"); Resume resume1 = (Resume)resume.Clone(); resume1.SetWorkExperience("2019-2021", "IT公司"); resume.Diplay(); resume1.Diplay(); Console.ReadKey(); }