Obv
abbr. obvious 明显的; obverse （铸币、奖章等的）正面; on-balance volume 平衡交易量; octane blending value 辛烷混合值
🗣️ 情景例句
Would you like to sign the contract now?
你现在要签这合同吗？
How did you sign the letter?Did you write, sincerely yours?
你怎么签名信的?你写了"真诚地你的"？
What is it?
什么呢？