Interconversions
(interconversion 的复数) n. 互变, 互变现象\\n[计] 相互转换
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
have you invited any friends?
你邀请朋友吗？
That's OK.
别客气。