Secondly, there has been a trend for the age of "emigrants" to decline. These people adopting foreign citizenship are often between 30 and 50, with some accomplishments already behind them, and still in the prime of their careers.
其次，移民的年齡層也有下降趨勢，他們是一群事業有成、正值三十歲到五十歲盛年的青壯族。