我们公司在非常困难的条件下运营。

Our company is ___operating under very difficult conditions.

有一个从伦敦出发的新直达运输服务，由ABC长途汽车公司运营。

There is a new direct transportation service from London, ___operated by ABC coaches.

政府运营几家公立医院。

The government ___operates several public hospitals.