公费 (gōng fèi): at public expense

He received support from the national study-abroad fund, so he can pursue a PhD in the UK at public expense.

This academic conference is a publicly funded business trip; all travel and accommodation costs are reimbursed by the university.

The public medical care system allows retired employees to pay only a small fee when seeing a doctor.

He took advantage of the publicly funded overseas study tour to visit several famous universities.