It is hard to read a newspaper or watch a television newscast without encountering someone who has come up with a new 'solution' to society's 'problems.'
Sustainable practices aren't a cost—they're an investment in our collective future.
人不能独自生存。
"The essence of mathematics lies in its freedom."
还有许多东西是值得牺牲的,还有这么多的历史等着我们去创造。