In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.

适应力是在变化的世界中蓬勃发展的关键。

A quota is just a number unless it’s enforced with conviction.

Success is not the key to happiness. Happiness is the key to success.

数学的本质不仅在于解决问题，还在于提出正确的问题。