嗅觉系统的美在于它既简单又复杂，使我们能够检测和区分几乎无限数量的气味。
The beauty of the olfactory system is that it is both simple and complex, allowing us to detect and discriminate an almost infinite number of odors.
Experience is simply the name we give our mistakes.
Silence can be a powerful form of resistance.
宏观经济政策的目标是创造一个稳定的环境，使个人能够制定长期计划。
爱不过是使用积极强化的另一个名字？或者反过来。