Sustainability is no longer an option—it's a business imperative for long-term survival.
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.
瀑布歌道:「当我得到自由时,便有了歌声。」
做数学就是与宇宙对话,寻找我们甚至可能还不知道如何提出的问题的答案。
每一次技术突破的背后,都是无数次失败的积累。