gainless

adj.

毫无进展的，一无所获的；无利可图；

On the power-efficiency of the gainless open-loop SC-circuit
On the power-efficiency of the gainless open-loop SC-circuit
Gainless condition
LONG-TIME VALIDITY OF THE GAINLESS HOMOGENEOUS BOLTZMANN EQUATION
Stunted children gain less lean body mass and more fat mass than their non-stunted counterparts: a prospective study
Differences in Wage Growth by Education Level: Do Less-Educated Workers Gain Less from Work Experience?
Returns to Tenure and Experience Revisited -- Do Less Educated Workers Gain Less from Work Experience?
Should Obese Women Gain Less Weight in Pregnancy Than Recommended?
Do Acquirers with More Uncertain Growth Prospects Gain Less from Acquisitions?
Do Less-Educated Workers Gain Less from Work Experience?