English-French translations for quid pro quo

contrepartieMais quelle est la contrepartie européenne? But what is the European quid pro quo? Cela doit être la contrepartie des coûts élevés imposés par la réglementation européenne. That has to be the quid pro quo for meeting the high costs imposed by EU regulation. Il s'agit d'une menace, mais nous devons disposer d'une espèce de contrepartie en la matière. That is a threat, but we need to have some sort of quid pro quo on this issue.
donnant donnant

donnant-donnant
on ne donne rien pour rien
on n’a rien pour rien
quid pro quoDans un quid pro quo lamentable, ils proposent une Journée européenne du souvenir en mémoire des criminels et des victimes. With a pitiful quid pro quo they are proposing a joint European Day of Remembrance for perpetrators and the victims.
quiproquo

Something which is understood as something else; an equivocation
Substitution of one drug for another
Something which is offered or asked for in exchange for something else
A usually non-monetary exchange transaction, or series or process of exchange transactions
Sexual harassment in which a person in a workplace implicitly or explicitly requires sexual favours in exchange for something

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