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。
The comfort of the rich depends upon an abundant supply of the poor.
The novel is a rebellion against the limits of reality.
未来的竞争不是产品的竞争，而是商业模式的竞争。
与其让你的人生规避“出人意料”，还不如直接瞄着它们而去。
The true measure of our success in vegetable cultivation lies in the balance between yield and environmental stewardship.
开始构建你想要的生活的最佳时机就是现在。
The most dangerous phrase in business is 'We've always done it this way.'