common factor out. Same for the common factor x_2-x_0 of the
至于国际格局应如何发展，中国的方案是建设平等有序的世界多极化。所谓平等，就是国家不论大小强弱都是国际社会平等一员，都可以在多极格局中找到自己的位置，发挥应有的作用。所谓有序，就是各国都要遵守普遍公认的国际规则，那就是联合国宪章的宗旨和原则，就是国际关系的基本准则。
。业内人士推荐新收录的资料作为进阶阅读
“The founders pride themselves on ‘9-9-6,’” says a lawyer, referring to a term that originated in China to describe 72-hour workweeks associated with burnout and suicide but has been appropriated by Silicon Valley as aspirational. “You need to be accessible at all hours, and they’re going to pump out messages at 6AM, and you better jump because the perception is you will be offboarded and another person will replace you.”
Example: echo the value of register
Example: enable permanent vi line numbers