static void Main(){ TestToString testToString = new TestToString(); Console.WriteLine(testToString);}public class TestToString{ public string Engine { get; set; } = "V8"; public string Tires { get; set; } = "Low-profile tires"; public string Color { get; set; } = "Red"; public override string ToString() { return $"Engine:{Engine}, Tires:{Tires}, Color:{Color}"; }}출..