التركية النطق
breyn dreynالنطق
/ˈbrān ˈdrān/ /ˈbreɪn ˈdreɪn/
علم أصول الكلمات
() Spokesmen for the Royal Society of London first coined the expression “brain drain” to describe the outflow of scientists and technologists to the United States and Canada in the early 1950s.