圖像來源，BBC CHINESE/ TING CHIANG
We know where it broke, but we can’t see why. Was it a race condition? Did a database read return stale data that has since been overwritten? To find the cause, we have to mentally reconstruct the state of the world as it existed milliseconds before the crash. Welcome to debugging hell.
。关于这个话题，WPS官方版本下载提供了深入分析
德国华裔导演杜耀豪历时四年半制作了纪录片《你豪吗》（Hao Are You），探寻母亲支离破碎的家族历史。（受访者供图）。safew官方版本下载对此有专业解读
* @param high 结束索引，这一点在WPS下载最新地址中也有详细论述