ˌpick-and-ˈmix BrE AmE adjective British English
if something is pick-and-mix, you are free to choose the things or parts that you want and not choose the rest:
Students can select parts of the course on a pick-and-mix basis.
ˌpick-and-ˈmix BrE AmE adjective British English
if something is pick-and-mix, you are free to choose the things or parts that you want and not choose the rest:
Students can select parts of the course on a pick-and-mix basis.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012