expedient/ɪkˈspiː.di.ənt/形容词权宜之计的；应急的；不得已而为之的It might be expedient not to pay him until the work is finished.要到工作完成才付他薪水，这或许也是不得已而为之。/ɪkˈspiː.di.ənt/名词权宜之计；应急办法a political expedient政治上的权宜之计想跟读，去练习
