Physical variance
[經(jīng)] 效率差異, 實(shí)際差異
?? 詞語(yǔ)組成解析
physical
['f?z?kl]
adj. 自然（界）的;身體的;物質(zhì)的;自然規(guī)律的;
n. 身體檢查，體格檢查;
phys生理領(lǐng)域 + ical ...的 → a.物質(zhì)的；物理的；身體的
variance
['v??ri?ns]
n. 變化，變動(dòng);不一致;分歧;<數(shù)>方差;
??? 情景例句
Your name?
你的名字？
Hold (or Run) with the hare and run (or hunt) with the hounds.
兩面討好。
I'll also need a list of all your and her relations' addresses and telephone numbers.
我還需一張你與她的全部親屬的地址清單與電話號(hào)碼。