tìbǔduìyuán
ㄊㄧˋ ㄅㄨˇ ㄉㄨㄟˋ ㄩㄢˊ
Simplified 替补队员
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 替補隊員 and it comes back until you know it.