Der
abbr. 区分编码规则（Distinguished Encoding Rules）
🗣️ 情景例句
Couldn't you sell us one carton for-?
不能以每盒--卖给我们吗？
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。