Questions about example sentences with, and the definition and usage of "Sf"

A: Because the Marriott Hotel workers are striking (protesting by not working), the conference that was supposed to be at the hotel is probably having to cancel. This means the conference has lost $300,000. "And counting" means "so far" (they're not yet done counting all the losses).

A: × The story is, because the earth will get worse and the main character go out from our solar system and meet with an alien, he is like a spider.
✓ The story is, because the earth will get worse, the main character goes out of the solar system and meets with an alien. He is like a spider.

The commas and the word “our” are a personal choice, but this way sounds more natural without changing too much.

A: × SF is called abbreviated as Sci-Fi.
✓ SF is abbreviated as Sci-Fi.

× I didn't know such an abridgement.
✓ I didn't know such an abbreviation.

I don't think you can use "abridgement" for a single word.

A: × It was impressive that every wall have touch displays connected with the internet after 200 years.
✓ It was impressive that every wall had touch displays connected with the internet after 200 years.

A: @Shanel_Gray @anna2212
Thank you for helping me with my English! I learned a lot!

A: Something like this :)
"There doesn't seem to be a SF novel and movie that are set in a future countryside"