漢譯英：（人工翻譯）工人們將花2年半的時間建好這棟樓.

題目：

漢譯英：（人工翻譯）工人們將花2年半的時間建好這棟樓.

解答：

It will take the workers nearly two years to build this building.
或：The workers will spend nearly two years on this building./in building this building.