闪光词汇及词组：
circle around: 围在……周围
circumstance: n. 情况
access: n. 途径
insufficient: adj. 不足的，不够的
assign: v. 指派
face-to-face: adj. 面对面的
domestic: adj. 国内的
demands and supplies: 供求
produce: n. 农产品
specialize: v. 专攻，专门研究
information revolution: 信息革命
万能句型：
The picture makes it obvious that we should…
More importantly, the fundamental method to…