recipes: studyproject_upgrade_secrethistories
actionId："study"
aspects：{"epiphany":1}
description："我对秘史相关的知识更加精通了，秘史是藏于我们所知的历史背后的历史。"
effects：{"project":-1,"secrethistories":-1}
id："studyproject_upgrade_secrethistories"
label："隐秘的历史"
requirements：{"project_upgrade_secrethistories":1}