每天十组表达，帮你日积月累应考，轻轻松松过关！ the north-south gap 南北差距 surplus rural labor 农村富余劳动力 competitiveness of agriculture in the market 农业的市场竞争力 bubble economy 泡沫经济 我要年薪百万 income disparity 贫富悬殊 impoverished areas 贫困地区 impoverished people 贫困人口 bottleneck restrictions 瓶颈制约 assume leadership 取得领先地位 outlaw illegal gains 取缔非法收入