pro forma

adj, adv as a matter of convention 作为惯例; 形式上（的）.

private soldier, privateer, privately, privation, privatization, privatisation, privatize, privatise, privet, privilege, privileged, privily, privy, Privy Council, privy purse, privy seal, prize, prize day (also `prize-giving day), prize-fight, prize-fighter, prizefighter, pro, pro forma (also pro forma invoice), pro or con, pro rata, pro tem, pro-, probability, probable, probably, probate, probation, probation officer, probationary, probationer, probe, probing, probingly, probity, problem, problem child, problematic,