The best time to plant a tree was 20 years ago. The second best time is now.
The connection between animal health and human health is undeniable and must be a priority in our work.
如果我们认为可以将主动数据库系统中过程与数据的比率任意减小,甚至保持较小,那我们就是在开玩笑。
The challenge is to make the invisible visible.
The world is full of obvious things which nobody by any chance ever observes.