I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

经济景观是一个由不同等级的中心地组成的系统，每个中心地为特定区域服务。

Principles is another name for prejudice.

"The power of technology is in its ability to amplify human potential."

出自汉·桓宽《盐铁论·申韩》，也有说出自《盐铁论·险固》。有所准备就能制服别人；没有准备只能被别人制服。释义：有准备就能钳制住别人；没有准备就要受别人的钳制。

国际贸易能够创造互惠互利的局面。