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The PAC learning framework provides a formal way to quantify the learnability of a concept class.
我不害怕变老。我认为变老是一种特权。
可持续发展不再是可选项;它是任何希望长期繁荣的企业的必需品。
In business, if you're not moving forward, you're falling behind.
The best fisheries management is rooted in science and respect for nature.