static void Main(string[] args)
        {
            //声明“职位”数组，初始化为："经理","项目主管","技术总监","财务主管"
            string[] job =new string[]{"经理","项目主管","技术总监","财务主管"};
            for (int i = 0; i <4 ; i++)
            {
                Console.WriteLine(job[i]);//打印职位
            }
        }