Is it possible to include a C# variable in a string variable without using a concatenator?

Question

Does .NET 3.5 C# allow us to include a variable within a string variable without having to use the + concatenator (or string.Format(), for that matter).

For example (In

Answer 1

How about using the T4 templating engine?

http://visualstudiomagazine.com/articles/2009/05/01/visual-studios-t4-code-generation.aspx