证券交易所是圣杯的糟糕替代品。
The stock exchange is a poor substitute for the Holy Grail.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
Don't be afraid of failure, failure is the mother of success.
Reading is faster than listening. Doing is faster than watching.
激励措施的微小变化可以导致行为的巨大变化。
我一直在努力突破自我。