水产养殖的效率不仅仅是利润问题;它关乎减少浪费和最大化资源利用。
文学是我们永远不会失去的唯一家园。
I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.