Demonstration expense
[经] 示范费, 展出费
🧩 词语组成解析
🗣️ 情景例句
and I can give you and Mrs. Stewart a month of classes free.
我让你和你太太免费上一个月的课。
Kindness is the golden chain by which society is bound together.
善良是连结社会的金链。
It is becoming harder and harder to find a job.
现在找工作是越来越难了。