Why use StringBuilder if there is interpolation?

Question

.NET

Hello. Tell me the difference between such C# components as StringBuilder and $ -sign interpolation

Answer 1

The interpolation is string.Format.
StringBuilder provides an API for efficiently working with string buffers.
Details about StringBuilder:
https://msdn.microsoft.com/en-us/library/system.te...
https://professorweb.ru/my/csharp/charp_theory/lev...