economic migrant
noun [ C ] uk/ek.əˌnɒm.ɪk ˈmaɪ.ɡrənt/ /iː.kəˌnɒm.ɪk ˈmaɪ.ɡrənt/ us/ek.əˌnɑː.mɪk ˈmaɪ.ɡrənt/ /iː.kəˌnɑː.mɪk ˈmaɪ.ɡrənt/
经济移民（为追求更好的工作或生活条件而移民别国的人）
a person who leaves their home country to live in another country with better working or living conditions