a person who moves from one place to another in order to find work or better living conditions（为工作）移居者；移民
undocumented/illegal migrants无证/非法移民
an increase in the number of refugees and migrants难民和移民人数增加
The government is being urged to issue more visas to skilled migrants.敦促政府向技术移民发放更多签证。
The country has a large seasonal migrant population, who work on the coffee and cotton plantations for part of the year.该国有大量的季节性移民人口，他们在一年的一部分时间里在咖啡和棉花种植园工作。
Collocations Race and immigrationRace and immigration种族与移民Prejudice and racism偏见与种族歧视
constitute/be a form of racial/race discrimination构成／是一种种族歧视
reflect/reveal/show/have a racial/cultural bias反映出／揭示出／表现出／具有种族／文化偏见
be biased/be prejudiced against(especially British English) black people/(both especially North American English) people of color/African Americans/Asians/Africans/Indians, etc.对黑人／有色人种／非裔美国人／亚洲人／非洲人／印度人等有偏见
discriminate against minority groups/minorities歧视少数群体／少数民族
perpetuate/conform to/fit/defy a common/popular/traditional/negative stereotype固守／遵从／符合／藐视普遍的／流行的／传统的／负面的模式化观念
overcome/be blinded by deep-seated/racial/(especially North American English) race prejudice克服根深蒂固的／种族的偏见；被根深蒂固的／种族的偏见所蒙蔽
entrench/perpetuate racist attitudes固守种族主义的态度
hurl/shout(especially British English) racist abuse; (especially North American English) a racist/racial/ethnic slur高声地进行种族污辱
These words all describe people who have moved to a different country.
immigranta person who has either chosen or been forced to leave their country and come to live permanently in a country that is not their own:
immigrants from other European countries来自其他欧洲国家的移民
migranta person who moves from one place to another in order to find work or better living conditions:
The country has a large seasonal migrant population.该国有大量的季节性移民人口。
refugeea person who has been forced to leave their country or home, because there is a war or for political, religious or social reasons:
There has been a steady flow of refugees from the war zone.从交战地区撤出的难民源源不断。
asylum seekera person who has been forced to leave their own country because they are in danger and who arrives in another country asking to be allowed to stay there:
to provide accommodation and support for asylum seekers为寻求庇护者提供住宿和支持
expatriatea person living in a country that is not their own, usually by choice:
American expatriates in Paris居住在巴黎的美国人
immigrant, migrant, refugee or asylum seeker?An immigrant has either chosen or been forced to leave their own country and move to another. A refugee has been forced to leave their own country. An asylum seeker has been forced to leave their own country and has arrived in another country asking to be allowed to stay. A migrant moves to another country, or within their own country, especially to find work or better living conditions. Patterns