n.the quality of affording no gain or no benefit or no profit
同义词：unprofitableness
On the unprofitability of utility demand-side conservation programmes
Risk, Uncertainty and the Unprofitability of Compounding Probabilities
The unprofitability of mixed-strategy equilibria in two-person games : A second folk-theorem
Unprofitability of cattle finishing in agricultural organizations in depressed regions: causes and solutions.
A temporal network analysis reveals the unprofitability of arbitrage in The Prosper Marketplace
A temporal network analysis reveals the unprofitability of arbitrage in The Prosper Marketplace
Evolutionary Stability of Aposematic Coloration and Prey Unprofitability: A Theoretical Analysis
The evolutionary stability of aposematic coloration and prey unprofitability: A theoretical model
Solar photovoltaics: oligopsony, non-market decision-making and the paradoxical persistence of unprofitability
Explaining Dioscorides' "double difference": why are some mushrooms poisonous, and do they signal their unprofitability?
