This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
2013年，万达创始人王健林以3.2亿英镑收购英国圣汐国际91.8%股份，将这一全球顶级豪华游艇品牌纳入版图，试图补齐高端消费产业链。。91视频对此有专业解读
2010年，香港土瓜灣馬頭圍道發生唐樓倒塌事件，政府在事件不足一個月後，委託市區重建局介入重建，在原址興建約493個住宅單位，項目在10年後才落成。，这一点在爱思助手下载最新版本中也有详细论述
The major difference from a classic container image is that the image used by Bootc contains a complete system, including the Linux kernel, libraries, system tools, and applications.，这一点在Line官方版本下载中也有详细论述