gap；
N-COUNT
可數(shù)名詞
例句：
...the gap between rich and poor...貧富差距
America's trade gap widened...美國(guó)的貿(mào)易逆差加大了.
Britain needs to bridge the technology gap between academia and industry.英國(guó)需要彌合學(xué)術(shù)界和企業(yè)界之間的技術(shù)差距.
disparity
N-VAR
可變名詞
例句：
...the economic disparities between East and West Berlin.東西柏林之間經(jīng)濟(jì)上的懸殊
...the great disparity of wealth between rich and poor countries.貧富國(guó)家間的財(cái)富鴻溝