Lightpositive
正光电导性
🗣️ 情景例句
Yes ...
对呀……
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。