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穷人并不懒惰;他们只是被困在一个让他们很难摆脱贫困的系统中。
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.
The most important thing is to tell a story that you care about.
在一个国家中,一个公民的自由就是所有人的自由。
"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
在量子世界中,观察者不仅仅是观察者,而且是所观察现象的参与者。