Wasterful
a. 使无用的；浪费
🗣️ 情景例句
May I ask how Mr. Mrs- is?
-先生（小姐）好吗？
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
In that case, we'd like cash on receipt of invoice.
这样的话，您在收到帐单时请付现。