You're right ..... an extent. You haven't thought about the big picture. So, really, you're only half right. (*) at (*) for (*) by (*) to
This is a companion discussion topic for the original entry at https://english.best/questions/18491,youre-right-___-an-extent-you-havent-thought-about-the-big-picture-so-really-youre-only-half-right/