词汇	lose one's labour
释义	lose one's labour 白费力气
随便看	computers aid design of heat exchananger computer sampling system Computers,Analog Computers,Analogue Computers and Automation Computers and Communications computers and information computers and science network computers and their priests Computers are available for reconnection computers are here to stay Computers are now in widespread use Computers are now widespread ion China Computers are still available for reconnection Computers are used instead of abacus computer satellite Computers,Attitude to computer-savvy computerscam Computers can even write out prescriptions computer scattering coefficient computer scatter tomography computer schedule Computer scheduling computer scheduling system