Cash Cow

Once a Cash Cow, Venezuela's Oil Company Now Verges on Collapse

By KIRK SEMPLE and CLIFFORD KRAUSS

The deepening troubles threaten to further destabilize a nation facing a dire recession and unbridled crime, as well as food and medicine shortages.

 cash cow: a product or service that makes a lot of money over a long period of time for the company

【名詞】【可算名詞】《俗語》 (企業の)財源，ドル箱，黒字部門