Otb
abbr. 场外赛马赌博（offtrack betting）
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
Sorry to keep you waiting.
抱歉让你久等了。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，