1·To regard the environmental problem as the subject of economic research lies in the economic inbeing of the environmental problem.
将环境问题作为经济学研究的对象是因为环境问题有其深刻的经济本质。
2·At the same time, Geo-Spatial System is a spatiotemporal system. Thus, the inbeing of Geo-Spatial can't be revealed until the concepts of time and space are integrated into one uniform framework.
同时，地理系统还是一个时空耦合系统，只有同时把时间及空间这两大范畴纳入某种统一的基础之中，才能真正揭示地理复杂系统的本质规律。