Now his children are sentenced to 10 to 15 years of school, to learn… how to survive in this complex and hazardous habitat.
现在，他的孩子们都必须关在学校里10-15年，来学习如何适应这个复杂而且危险的居住环境。
2
It is a complex ecosystem, including forest, mountains, gorges, lakes, streams, grasslands, swamps and wetlands, and provides a wide habitat for rare and endemic species of animals and plants.