backtrack, loop, realize a prerequisite task exists, restart
Note that every single one of these misuse the pattern field by adding beginning and end of string anchors. Presumably the authors don't know that they aren't needed.
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Угрозу применения ядерного оружия в конфликте вокруг Ирана оценили14:57，详情可参考heLLoword翻译官方下载
导出思路：为了不大幅侵入源码，在导出脚本里重写了 forward，并增加环境变量进行控制