bǐyīshí,cǐyīshí
ㄅㄧˇ ㄧ ㄕˊ , ㄘˇ ㄧ ㄕˊ
Simplified 彼一时，此一时
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 彼一時，此一時 and it comes back until you know it.