The high populationapproach treats plantation as an annual crop (one harvest only).
密植种植把大蕉当作一年生的作物处理（只收获一次）。
2
The environmental approach hypothesizes that states appear in certain environmental settings, settings which have a severe population problem or a shortage of agricultural land.
环境法假设国家是在特定的环境中出现的，这些环境存在严重的人口问题或农业用地短缺。
3
The target is the wider population with mainly stress but also other common mental disorders among people who would not normally approach the mental health services.