gàixínglǐlùn
ㄍㄞˋ ㄒㄧㄥˊ ㄌㄧˇ ㄌㄨㄣˋ
Simplified 概型理论
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 概型理論 and it comes back until you know it.