Значение идиомы brain drain

[brain drain] {n.}, {informal} 1. The loss of the leading intellectuals and researchers of a country due to excessive emigration to other countries where conditions are better.

Britain suffered a considerable brain drain to the United States after World War II.

2. An activity requiring great mental concentration resulting in fatigue and exhaustion

That math exam I took was a regular brain drain.



Topic about hurricane.
Диалог продуктовый магазин на английском.


Значение идиомы brain drain