Ocs
abbr. （美國）候補軍官學校（Officer Candidate School）；超速控制系統；振蕩彩色順序
??? 情景例句
That'll be fifty-five dollars and twenty cents.
一共55元2角。
Since we are likely to place sizable orders regularly we hope that you will make some special concessions.
由于我方將定期大批量訂購，希望貴方作出一些特殊的讓步。
Do you have to feed plants like you feed chickens? Or do they grow up by themselves?
你得要像喂小雞那樣去喂幼苗嗎？還是它們自己長大呢？