If “this for that” did not exist, there would be no contracts, no trading...indeed, no ecomonic transactions at all. The vast majority of human interaction involves some form of quid pro quo...this for that. Heck, even our interaction with our pets involves this for that. Think about it.
Then let’s say “this for that”.
JK
I wonder though why some latin phrases have lasted while the incredibly vast majority haven’t.
Now excuse me while I show my cat who’s boss.