brain drain
英 [ˈbreɪn dreɪn]
美 [ˈbreɪn dreɪn]
n. (国家的)人才流失
牛津词典
noun
- （国家的）人才流失
the movement of highly skilled and qualified people to a country where they can work in better conditions and earn more money
柯林斯词典
- 人才流失；人才外流
When people talk about abrain drain, they are referring to the movement of a large number of scientists or academics away from their own country to other countries where the conditions and salaries are better.
英英释义
noun
- depletion or loss of intellectual and technical personnel