恐龙灭绝是因为它们没有太空计划。如果我们因为没有太空计划而灭绝，那是我们活该！
The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
城市是人类最伟大的发明，而建筑是它的语言。
我不需要理由去相信自己。
气候的变化不是一朝一夕的原因，而是逐渐积累的结果。