The project, which lasted two years, cost five million dollars.

这项工程历时两年，耗资五百万美元。

youdao

That tower block, which cost five million dollars to build, has been empty for five years.

那个塔楼空着已经5年了。建它花了500万美元。

youdao

The projects are expected to cost five hundred fifty million dollars.

VOA: special.2009.07.21

After fourteen years of planning and construction, at a cost of a hundred and thirty-five million dollars, the gallery occupies one connected space in three buildings.

NEWYORKER: Boola Boola