Contravalency
共价
🗣️ 情景例句
Malcolm, this is Joanne Thompson. Malcolm
这是Joanne Thompson。
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
I mean powder that is made from fish, blood and bone.
我是指用鱼、血和骨头制成的粉末。