n.外籍人员（名词foreigner的复数形式）
Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
He has a prejudice against all foreigners. 他对所有的外国人都有偏见。
My grandmother has a complex against foreigners. 我奶奶对外国人抱有偏见。
Daily practice is the trick in learning a foreign language. 每天练习是学会一门外语的诀窍。
The foreigners are unacquainted with our custom. 这些外国人不了解我们的风俗。
