Criterion of efficiency
[法] 效率准则
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
And you gave up your career as a music teacher?
那么你就放弃了音乐教师的事业？
We did it.
干的好！
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。