1、Its a waste of energy for the full-life needs water hydrant pressure risen to power has done.
其浪費的能量為把全日生活用水量揚升到消火栓需要壓力所做的功。

2、Both he and Wheeler believe it is a waste of energy to treat all water up to drinking standards.
他和惠勒認為這是一種浪費能源的對待所有水了飲用水的標準。

3、Pursuing such goals is a waste of energy and resources.
追求這類目標是對精力和資源的一種浪費。