Span of management
[經(jīng)] 管理的幅度
?? 詞語組成解析
span
[sp?n]
n. 共軛（馬、騾）;跨度，墩距;一段時(shí)間;[航] 跨繩;
vt. 縛住或扎牢;跨越時(shí)間或空間;以掌測(cè)量;以手圍繞測(cè)量類似測(cè)量;
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動(dòng)詞 [非標(biāo)準(zhǔn)用語、方言] =have [主用于虛擬語氣];
??? 情景例句
We hired a woman to watch Richard and then Susan,
我們雇用一名女士來照顧Richard ，后來又照顧Susan
What's done by night appears by day.
若要人不知，除非己莫為。
That's right.
對(duì)啦。