profitless

adj without profit1(2) 无利的; 无益的: Revising the procedure was an entirely profitless exercise. 对程序进行修改是徒劳无功的.

professional foul, professionalism, professionally, professor, professorial, professorship, proffer, proficiency, proficient, proficiently, profile, profit, profit and loss account, profit-margin, profit-sharing, profitability, profitable, profitably, profiteer, profiterole, profitlessly, profligacy, profligate, proforma, profound, profoundly, profundity, profuse, profusely, profuseness, profusion, progenitor, progeny, progesterone, prognosis, prognosticate, prognostication, program, programer, programing,