Word Example from TV Shows
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.

I'll learn about history, STRATEGY, healing.
Game of Thrones Season 5, Episode 10

...for some failing to attend Physics
Department paintball STRATEGY meeting.
The Big Bang Theory Season 2, Episode 16

upon which l devised
my own STRATEGY--
Breaking Bad Season 4, Episode 4

maybe you could start thinking
about an exit STRATEGY.
Breaking Bad Season 4, Episode 9

"Hidden behind a metallic voice
with their cameras and their STRATEGY