Otc
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
Now or never.
机不可失，失不再来。
But this was before Annie Sullivan came to stay.
但是，这都是安妮·莎利文来住下之前的事了。