bǎnshàngdìngdīng
ㄅㄢˇ ㄕㄤˋ ㄉㄧㄥˋ ㄉㄧㄥ
Simplified 板上钉钉
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 板上釘釘 and it comes back until you know it.