多项式时间归约的概念对于理解NP完全问题的结构至关重要。

I believe in art as a form of education.

She wore far too much rogue last night and not quite enough clothes. That is always a sigh of despair in a woman.

人们生产生活资料的方式首先取决于他们发现并必须再生产的实际手段的性质。

The ethical questions raised by CRISPR are not obstacles—they are essential conversations.

Discipline is the bridge between goals and accomplishment.

Write what should not be forgotten.

Resource development must balance economic growth with environmental stewardship.

The process of creative destruction is the essential fact about capitalism.

眼睛不能同时看清楚两样东西，耳朵不能同时听清楚两种声音。

孤独是陪伴人一生的伙伴，是一个既定的事实，与其否认，与其抗争，与其无谓地逃避，不如接受它，拥挤的人群里让它保护你回家，周六的上午让它陪你吃早餐，整理阳光。