｛一楼 the ground floor
英国｛二楼 the once floor
｛三搂 the second floor
If you had worked hard at other times ,you would have passed CET4.
如果你平时努学习，你的英语就过了四级。
正式场合用语，“On the occasion…… 再……之际”
fIat=apartment 公寓