Since the economy grew rapidly as the population increased, there was a multiplier effect, and not just a linear increase, in the demand for cultural, transportation, and recreational infrastructure.
人口快速增加與經濟迅速發展，兩者相乘之下，人與人互動所需要的文教、交通、休閒設施，不是以倍數而是幾何級數增加。