Apparently, there's quite a bit about show business I don't understand.
5 seconds sound clip from the White Christmas (1954) movie soundboard.
You can hear this line at 00:53:34 in the Blu-ray version of the movie.
Quote context
[...]
- And it gives us a chance, you see, sir, to test new material.
- On what?
- On the audience. We use them like guinea pigs.
- Pigs, we can get for you. I'm not so sure about people.
- Well with all due modesty, sir, Wallace and Davis never had any trouble packing them in, sir.
- Well, go ahead, if you want to.
- Apparently, there's quite a bit about show business I don't understand.
- Sure. We wouldn't be any good as generals.
- You weren't any good as privates.
- All right, let's keep it going. That's good. Keep it up there, honey.
[...]