brain drain

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈbrain drain noun  the brain drain BELEAVE A PLACEa movement of highly skilled or professional people from their own country to a country where they can earn more money 人才流失，人才外流

Examples from the Corpus

brain drain• He could not argue, looking at Imperial, that there has been a major brain drain of senior staff.From Longman Business Dictionarybrain drainˈbrain drain noun [uncountable] the movement of highly skilled or professional people from their own country to another country where they can earn more moneyMany of the country’s top scientists have joined the brain drain to the US.

ˈbrain drain nounChineseSyllable  

or movement professional of a skilled their Corpus people from highly own Business

brain drain
ˈbrain drain noun
the brain drain a movement of highly skilled or professional people from their own country to a country where they can earn more money

brain drainBrE /ˈbreɪn dreɪn/ 🔊NAmE /ˈbreɪn dreɪn/ 🔊 noun [singular] (informal) the movement of highly skilled and qualified people to a country where they can work in better conditions and earn more money （国家的）人才流失