Otb
abbr. 场外赛马赌博（offtrack betting）
🗣️ 情景例句
I'd like to go into the city and meet you there,
我想到城里去看你，
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱体积不应超过1。5m*1m*1m。
We regard the matter as nothing important.
我们认为这件事情不重要。