Caos
abbr. Completely Automatic Operational System (Lockheed Aircraft Corp.) （洛克希德飛機公司）全自動操作系統
??? 情景例句
He keeps good company.
他和好人來往。
I worked at the grocery store yesterday.
我昨天在雜貨店工作。
No wonder you're so experienced.
怪不得你這么有經驗。