Favourable exchange (4,3,3)
I believe the answer is:
quid pro quo
(Other definitions for quid pro quo that I've seen before include "reward?" , "Reciprocal exchange (Latin)" , "Tit for tat" , "Reciprocal exchanges" , "Return" .)
I believe the answer is:
quid pro quo
(Other definitions for quid pro quo that I've seen before include "reward?" , "Reciprocal exchange (Latin)" , "Tit for tat" , "Reciprocal exchanges" , "Return" .)