Variationally
变化\\n变度\\n变奏\\n变差
🗣️ 情景例句
Well, perhaps,
好的， 也许，
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
In five working days, if we ship by air.
如果空运的话，五个工作天内可以到。