1a) We've Been here FOR an hour.
1b) We've been here SINCE 4 o' clock.
2a)She hasn't spoken to me FOR 2 weeks.
2b) She hasn't spoken to me SINCE last week.
3a) They've live in this street SINCE 1970.
3b) They've lived in this street FOR a long time.
4a)I haven't had time to do it SINCE last Monday.
4b) I haven;t had time to do it FOR a few days.
5a) We haven't bought a new on SINCE ages.
5b) We haven't bought a new one FOR many years.
Answer:Jargon
Explanation: Jargons are refereed to a special language(mostly professional) used and understood by a particular group of people to communicate effectively some specific contexts within them which people outside the group may not be able to understand. There are different types of jargons which are political jargons, Workplace jargons, Millitary jargons,Medical jargons, Buisness jargons etc
Jargons should not be confused with slangs which is also particular to a group but merely an informal spoken language chosen instead of the standard language of a particular word or words and are most times funny expressions.
It is true because when you are writing a paper you want the reader to be interested
Answer:
Cold as snow is the answer
Whattt? No details please provide