Man tends to increase at a greater rate than his means of subsistence.
人类的增长速度往往超过其生存手段的增长速度。
The beauty of life is in its unpredictability.
心理过程是生命有机体的生存工具包。
可持续性不仅仅是一个流行词,它是未来森林必须赖以发展的基础。