发布网友 发布时间:2024-10-23 17:28
共1个回答
热心网友 时间:2024-10-29 07:58
If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas.