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老鼠和人之间的唯一区别是老鼠会从经验中学习。
The only difference between a rat and a human is that a rat learns from experience.
No president who performs his duties faithfully and conscientiously can have any leisure.
我们要建立一个不用钱的社会!
The power of words lies in their ability to evoke emotions.
"The only thing that is truly infinite is the human soul."
在量子力学中,观察者不是客观的,而是系统的一部分。