🧩 词语组成解析
abbr. 技术合作处（Office of Technical Cooperation）
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
To sum up, he agrees with us.
总而言之，他赞成我们。
It doesn't matter.
不要紧。