B2b
abbr. 企业对企业的电子商务模式（business to business）
🗣️ 情景例句
My dear little boy just looked up at me as if to say,
我亲爱的小男孩只是仰头看着我 ，好像在说，
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
The ones in this corner are cutting machines.
在这个角落的机器是切削机。