...it will need to import 60,000workers a year until 2030 just to keep its working population stable...
问题描述：
...it will need to import 60,000workers a year until 2030 just to keep its working population stable...
应该怎样理解：
1.到2030年,每年将需要引进6万人……
2.每年将需要引进6万人,这种状况将一直持续到2030年……
答
正确：2.每年将需要引进6万人,这种状况将一直持续到2030年……以期保证稳定的劳动力人口数量.