private static void AddCoach(Team newTeam)
        {
            var newCoach = new Coach();

            Console.WriteLine("教练姓名:");
            newCoach.Name = Console.ReadLine();
            Console.WriteLine("教练身份证号:");
            newCoach.Id       = Console.ReadLine();
            newCoach.Position = Position.Coach;
            Console.WriteLine("教练战术指数:");
            newCoach.TacticsPower = int.Parse(Console.ReadLine());
            Console.WriteLine("教练人格魅力指数:");
            newCoach.PersonalPower = int.Parse(Console.ReadLine());
            Console.WriteLine("工资:");
            newCoach.Salary = decimal.Parse(Console.ReadLine());
            newTeam.AddCoach(newCoach);
        }
 /// <summary>
 /// 增加教练
 /// </summary>
 /// <param name="coach"></param>
 public void AddCoach(Coach coach)
 {
     this.coach = coach;
 }