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市场总是在变化,你必须能够适应。
The market is always changing, and you have to be able to adapt.
The first rule of government spending: why build one when you can have two at twice the price?
教育不是为生活做准备,而是生活的本身。
数学是模式的科学,而自然利用了每一种可能的模式。