Nonnegative
a. [数]非负的,正的,零的
🗣️ 情景例句
OK, what do you need most of all?
好， 你们最需要的是什么？
Our staff and employees will do their best to make your visit comfortable and worthwhile.
我们所有的员工都会尽力使您的来访舒适而有价值。
Shall I make some coffee,Jane?
我来煮点咖啡好吗，简？