后期高人口消费品惩罚很高，但是点击地块选择人口，只能看到消费品增益看不到惩罚。WIKI里对这个也是一笔带过，原文：For each unit of consumer goods needed, there is a base cost of 0.5 minerals with an extra cost of 0.01 per planet beyond the homeworld.
百度也搜不到，只能问问大神了