花朵总能让人们变得更好、更快乐、更乐于助人；它们是心灵的阳光、食物和良药。
A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.
债券市场是市场情绪的最终指标。
Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.