是的，Visual Studio 2013没有LESS编译器内置的，因此你需要带上自己的。您可以使用外部编译器，也可以安装扩展程序，以便从IDE中编译LESS文件。

Yes, Visual Studio 2013 doesn't come with a LESS compiler built-in so you'll need to bring your own. You can either use an external compiler, or install an extension so you can compile your LESS files from within the IDE.