namespace Test{?? class Program?? {???? static void Main(string[] args)????? {??????? double price=4388;??????? double salary=4978.67;??????? if(salary>=price)??????? {?????????? Console.WriteLine("這月工資夠買手機");???????? }???????? else???????? {?????????? Console.WriteLine("這月工資不夠買手機")；????????? }