См. также: обследование школы, обследовать больного, обстоятельство непреодолимой силы, обсуждать политику
debt service (also debt servicing): the act of regularly paying back a debt, including interest (Cambridge Business English Dictionary)
Debt service (interest payments and the repayment of principal) grew even faster, reaching $66 billion in 1982, up from $12 billion in 1975. (Wikipedia)
