milch cow
noun/ˈmɪltʃ kaʊ/
/ˈmɪltʃ kaʊ/
(British English)- a person, an organization or a product from which it is easy to make money
财源，摇钱树（指人、机构或产品） - The region is treated as a milch cow by central government.
该地区被中央政府当成摇钱树。
- The region is treated as a milch cow by central government.