The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Long DIVISION, long DIVISION. Go, go, go.
The Big Bang Theory Season 6, Episode 4

That was the DIVISION of labor
when we started all this.
Breaking Bad Season 2, Episode 5

This is a simple DIVISION
of labor.
Breaking Bad Season 4, Episode 7

The restaurant DIVISION, mostly.
Breaking Bad Season 5, Episode 8

Long DIVISION, long DIVISION. Go, go, go.
The Big Bang Theory Season 6, Episode 4