The key to successful investing is to have a clear understanding of the market and the risks involved.
Noman giveth to himself that liberty, to take from himself his life, or any part thereof.
交易的关键是拥有优势并知道这个优势是什么。
NP中的每个问题都可以归约为可满足性问题,这是计算复杂性理论的基石。