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A good system can't have a weak command language.
在房地产中,你赚钱是在买的时候,而不是卖的时候。
Sometimes the simplest melodies carry the deepest emotions.
 用言辞做事并不是一种特殊的做事方式,而是一种特殊的说话方式。
A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.