Unstuff
vt. 放松, 使通暢
??? 情景例句
I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厭其煩地給我解釋去那里的最佳途徑，我對些深表感激。
Long time no see.
好久不見。
modern states 'invest'in institutions of learning to get back 'interest'
現代國家對教育機構投資，收回的"利息