辩论在很大程度上仍停留在政治领域内。

The debate remained largely within the ___political ___sphere.

有一个非常庞大的团队，每个人都在自己的工作领域内非常出色。

There is a very big crew, all of them very good in their ___sphere of work.

她的研究已扩展到科学探索的新领域。

Her research has expanded into new ___spheres of scientific inquiry.