小小爱小吃
不一定要纠结与词汇，用一个完整的句子便可阐明，例如China isn't as advanced as America，不能过于纠结词汇，毕竟你在说一门语言，就像说中文有很多表达方式，上面的几位回答的对滴~~
allen阿蕾
gap disparity missdistance 城乡差距：rural-urban development divide ;rural-urban divide ;urban-rural gap;urban development divide 期望差距：expectation discrepancy ;expectation gap
种菜的阿布
gap；N-COUNT 可数名词例句：...the gap between rich and poor... 贫富差距America's trade gap widened... 美国的贸易逆差加大了。Britain needs to bridge the technology gap between academia and industry. 英国需要弥合学术界和企业界之间的技术差距。 disparityN-VAR 可变名词例句：...the economic disparities between East and West Berlin. 东西柏林之间经济上的悬殊...the great disparity of wealth between rich and poor countries. 贫富国家间的财富鸿沟
