quid pro quo

1. N-COUNT A quid pro quo is a gift or advantage that is given to someone in return for something that they have done. 補(bǔ)償[正式]

They share a great deal of information on a quid pro quo basis. 他們?cè)诨ダ幕A(chǔ)上進(jìn)行大量的信息共享。