令人惊讶的是,如果一个人花了一小笔钱不理解它,那么他理解它是多么困难。
In the realm of algorithms, efficiency is not merely a measure of speed, but a profound statement about the nature of the problem itself.
动物体内的血液被推动着循环,处于永不停息的状态。
可持续林业不是成本,而是我们拥有的最明智的长期商业策略。