"result": {
以前要两地往返才能办妥的社保事项，如今“一站式”就能解决。
，更多细节参见谷歌浏览器【最新下载地址】
"title": item.title,。safew官方版本下载是该领域的重要参考
I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas: