arb
abbr. 空氣資源委員會（Air Resources Board）、航空註冊局（Air Registration Board）、航空研究局（Air Pesearch Bureau）
學術名詞
- 戰損修理艦：海事
英文釋義
- someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential)