translation.en: The problem is that we can create these large reserves only in places where there are no people, where there is no social conflict, where the political cost is really low and the economic cost is also low.
translation.zh: 问题是我们只能在没有人居住， 没有环境和人类冲突， 政治，经济代价很低的地方 建立这样的大保护区