The gross area is approximately one thousand square feet.

单位建筑面积约一千平方英尺。

The gross area is approximately one thousand square feet.

建筑面积约一千平方英尺。

The gross area of this unit is nine hundred and thirteen square feet.

建筑面积是九百一十三平方英尺。

The design included 528 stories, with a gross area of 18.46 million square feet.

这个设计有528层，总面积为1846万平方英尺。

The view of current popularity is, gross area 23 square kilometer is bit more.

当前流行的说法是，总面积23平方公里多一点。