旧金山有中国城,也有日本城。前者给人的印象似乎又脏又乱,但是生意兴旺,财源广进;后者既整齐又干净,可惜人潮不够理想,显得不够热闹。脏是不好的现象,亟待全力改善。乱得有理,就不见得不好,值得适度保持。以书局为例,把一堆书掀得凌乱,马上引起顾客的 San Francisco, Chinatown, but also Japan City. The former gives the impression that it seems dirty and messy, but the business is booming and the financial resources are widely available. The latter is both neat and clean, but unfortunately the crowds are not idealistic enough to be lively. Dirty is a bad phenomenon, urgent improvement. Unreasonable, it is not necessarily bad, it is appropriate to maintain. Taking the bookstore as an example, a bunch of books are torn up and immediately aroused customers