摘要：
https://learn.microsoft.com/zh-cn/dotnet/csharp/language-reference/operators/switch-expression [DisplayName("空气质量指数颜色")] public string TvocColor => AQ 阅读全文
摘要：
[C#] Console.WriteLine(" "); Console.WriteLine("First Name | Last Name | Age"); Console.WriteLine(" "); Console.WriteLine($"{"Bill",-10} | {"Gates",-1 阅读全文