Before this I'd have smiled and turned her down.
在这之前，我本该笑着拒绝她。

2.floor space 室内建筑面积

This house has ten rooms with a floor space of 200 square meters.
这栋房子有十间房间，楼面面积为二百平方公尺。

3.all-time high 历史最高水平

The plant's steel output was an all-time high.
该厂钢产量创历史最高水平。