外流人口

例句：

1. 1. The government is working hard to attract more foreign investment.
   政府正在努力吸引更多的外国投资。
2. 2. The population of the city has been increasing steadily for decades.
   这个城市的人口几十年来一直在稳步增长。
3. 3. The outflow of talent from the country is a major concern for the government.
   国内人才外流是政府的一个主要担忧。