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.

who makes you feel
the CENTRE of the universe.
Money Heist Season 1, Episode 4

Here Condor 3 calling the command CENTRE.
Movement on the roof.
Money Heist Season 1, Episode 4

"The way children queue up to talk
with Santa at a shopping CENTRE."
Money Heist Season 1, Episode 10