他们经济上很稳定，能够负担这次旅行。

They are doing well ___financially and can afford this trip.

这个项目在经济上是可行的，预计两年内就能回本。

The project is ___financially viable and expected to break even within two years.

他们经济上负担不起这所房子。

They can't afford this house ___financially.