Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
学习是系统中产生的任何变化，这些变化或多或少会永久性地改变其适应环境的能力。
解释：别人爱我，我也爱人；别人厌恶我，我也讨厌别人。
Singing is not only my career, but also my passion.
释义：聪明人追求实际利益，愚昧者争夺虚无的名声。
在爱情中我们都是傻瓜。