Tetrabranch
四鰓軟體類
??? 情景例句
Sorry, that's not really what I mean. What I'd like to know is...
對不起，我真的不是那意思，我想知道的是…
Never swap (or swop) horses while crossing the stream.
騎渡中流莫換馬。（指危難時不宜做大變動）
In the light of this statement, teachers live by selling knowledge,
根據這種說法，教師靠賣知識為生，哲學家靠賣智慧為生，