事实是,我们对生活知之甚少,我们真的不知道什么是好消息,什么是坏消息。
The truth is, we know so little about life, we don't really know what the good news is and what the bad news is.
我们的目标是让养殖更高效,同时减少对环境的影响。
The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.
民主不是旁观者的运动。它需要积极参与和对社会正义的承诺。