The PAC learning framework provides a formal way to quantify the learnability of a concept class.
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
The energy transition is an opportunity, not a threat, for those willing to embrace change.
对验证的渴望是可以理解的，但不能总是得到满足。
The existence of a legal system is a matter of fact, not of morality.
能源转型不仅仅是减少排放，更是为世界提供可靠且负担得起的能源。
如果一个聪明人干了一件蠢事，那就不会是一件小小的蠢事。