cash cow

Hollywood comedies were a cash cow for years, but they’ve run up against a number of hurdles.

A decentralized, low-cost, flexible cottage industry will likely be transformed into a centralized, high-cost, inflexible cash cow for the merchants of death.

“It is also a cash cow and it has an identity for a network, which is truly important.”

The biggest cash cow among foreign students has been in taught post-graduate degrees.

"Welsh government is discouraging the whole industry," he claimed, accusing ministers of seeing it as a "cash cow to be milked".