This would require international coordination whereby rich countries would issue work permits, obliging the migrants to spend one of, say, each five years working in their own country.

这需要国际间的合作，比如富裕国家发行劳动准入证，让这些移民每一个五年期间有一年在其本国工作。

youdao

This would require international coordination whereby rich countries would issue work permits, obliging the migrants to spend one of, say, each five years working in their own country.

这需要国际间的合作，比如富裕国家发行劳动准入证，让这些移民每一个五年期间有一年在其本国工作。

youdao