城市是一个不断进化的生命体。
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细,所有行为都可以用刺激和反应来解释。
Every day confirms his belief of the inconsistency of all human characters, and of the little dependence that can be placed on the appearance of merit or sense.