促使杜耀豪按下摄像机录制键的，是那些偶然发现的家族合影，是母亲在翻找出这些照片时，那句复杂的、几乎成为她生命注脚的喟叹：“我为了家庭付出多少啊！”这句喟叹背后，指向的是1975年越南的时局，当时掌控越南南部的是北越政权。
Opens in a new window
。关于这个话题，safew官方版本下载提供了深入分析
When the game is about to shut down, the banner is updated to show that:
For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.