【Alice Pao】評論
(A) for example 例如(B) on the contrary 恰恰相反(C) to such an extent that 如此...以至於(D) Notwithstanding prep. ad. conj. 儘管、還是Distinctions between blue collar and white collar do exist. White-collar work, __11__, often requires a large investment of money and time in formal schooling.藍領和白領間的差異確實是存在的。例如，白領階級的工作通常需要在正式的學校教育的時候，投入大量的金錢和時間。