Brain Drain

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Across
  1. 3. obtain something
  2. 4. racial discrimination
  3. 6. pay or wages
  4. 7. physics, maths,... are examples of this word
  5. 9. employee
Down
  1. 1. act of emigrating
  2. 2. not developed
  3. 5. talented
  4. 8. includes cities