Immigrate: to come and live permanently in a country after leaving your own country (从外地)移居;移民
About 6.6 million people immigrated to the United States in the 1970s.
20 世纪 70 年代大约有 660 万人移居美国.
Tuition: the money that you pay to be taught, especially in a college or university (尤指大专院校的)学费
overall: including all the things or people that are involved in a particular situation; general 全面的;综合的;总体的 only before noun
the person with overall responsibility for the project
全面负责本项目的人
There will be winners in each of three age groups, and one overall winner.
三个年龄组将各产生一位优胜者,另有一位总优胜者。
an overall improvement in standards of living(= affecting everyone)
生活水平的全面提高
When she finished painting, she stepped back to admire the overall effect.
画完以后,她退后一步,以审视总体效果。