essential difference

基本解释

But there is an essential difference.
但有一個根本區別。
This essential difference is the primary factor in determining which technology to use.
這種本質上的差別是決定使用哪種技術的主要因素。
That, Professor Cusumano added, was the essential difference in the paths of Microsoft and Apple, the early leader in personal computing.
卡斯馬諾教授進一步分析了微軟和蘋果在帶領個人電腦産業發展初期本質性的區別。

Before condemning such a move by the Congress, I believe one should understand the essential difference between an investor and a speculator.
FORBES: Briefing Book: A. Michael Lipper
The essential difference between the two is that traders take title — and often delivery — of their purchases, whereas brokers merely bring buyer and seller together for a small nick.
FORBES: Shadow Market Keeps Computer Components Flowing
Heeding Livni's unwise, defeatist counsel, Olmert postponed the essential ground offensive in south Lebanon until it was too late to make a difference and instead opted for a negotiated cease-fire.
CENTERFORSECURITYPOLICY: Condi's embrace of jihadist 'peace'

本質區別
Under the guidance of Marxist election ideology in China,the essential difference between socialist democracy and capitalist democracy should be made a clear distinction.
要以中國馬尅思主義選擧思想爲指導,認清社會主義民主與資本主義民主的本質區別。
經濟學
實質差異