Show pageOld revisionsBacklinksBack to top Old Revisions These are the older revisons of the current document. To revert to an old revision, select it from below, click Edit this page and save it. 2025/08/14 10:40 bù zhī suǒ yún: 不知所云 - Not Knowing What is Being Said, Incomprehensible – created xiaoer +11.7 KB (current)Show differences between selected revisions