Factories and cities are more complex organisms than self-sufficient villages.
工厂和城市是较自给自足的村庄更为复杂的社会组织。
※All progress is based upon a universal innate desire on the part of every organism to live beyond its income.——Samuel Butler, British writer世人莫不怀着一种与生俱来的欲望,要把支出超过收入,此乃一切进步的动力。英国作家 勃特勒. S.