The past is a foreign country; they do things differently there.
过去是一个陌生的国度；那里的人做事方式不同。
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!
I've found time can heal most anything, and you just might find what you're looking for.
可持续的基础设施应该平衡经济、社会和环境的效益。