1N-UNCOUNT 移居Immigration is the coming of people into a country in order to live and work there. 移居
The government has decided to tighten its immigration policy.
政府决定实施更加严格的移民政策。
...immigration into Europe.
移居欧洲
2N-UNCOUNT 移民局检查处Immigration or immigration control is the place at a port, airport, or international border where officials check the passports of people who wish to come into the country. 移民局检查处