К-309

ДОЙНАЯ КОРОВА coll, usu. disapprov NP usu. sing) a person, organization etc continuously used by s.o. as a source of material goods, exploited shamelessly

milk (milch) cow

cash cow meal ticket (in limited contexts) (one is) milking s.o. sth. for all he (it) is worth.

...На нас... смотрели как на дойных коров, и отношение к нам то улучшалось, то ухудшалось в зависимости от количества и качества удоя, который давал начальству каждый из нас. По прибытии нашем в роту нас медленно ощупывали, заранее стараясь определить, какое количество жизненных благ можно от нас получить... (Лившиц 1).... We were regarded as milch cows, and attitudes to us got better or worse depending on the quantity and quality of the milk yield which each of us presented to the authorities. When one of us arrived in the company, they mentally felt us over, trying to predetermine the number of earthly blessings which they could extract from us... (1a).