2. The task for ecologists is to
untangle the environmental and biological factors that hold this intrinsic capacity for population growth in check over the long run.
生态学家的使命就是调查清楚环境和生态因素长期以来是如何控制这种致使种群增长的内在能力的。
3. As your columnist's children grow up, the need to
untangle their tantrums, feuds and nonsense is becoming pleasingly rare. Sadly, the same can't be said for some grown ups.
令人欣慰的是,当你专栏作家的孩子长大了,要解开他们的怨怒、积怨和冒失的需要,变得微乎其微。但可悲的是,成人却不能如此。