Rarifies
vt. 使成精细；使变稀薄\\nvi. 变稀薄；纯化
🗣️ 情景例句
Couldn't you sell us one carton for-?
不能以每盒--卖给我们吗？
If your prices are more favorable than those of your competitors we shall send you our order.
如果你方价格比其他竞争对手的优惠，我们将向你们订货。
So when a German buys something from a Japanese, or an Indian sells something to a Frenchman, they may all use English.
因此，当德国人从日本人那儿买东西时，或印度人把东西卖给法国人时，他们可能都用英语进行交流。