双语教学,兴起于20世纪60年代的欧美,最初主要是用于移民及少数民族等英语水平不足的学生,以帮助他们获得较好的英语水平,而能进入主流社会(mainstream)。至20世纪80年代,随着全球经济一体化的不断深入,世界各国间的交流不断加强,外语已成为国际政治、经济、贸易及文化交流中的 Bilingual teaching, which started in the 1960s in Europe and America, was primarily aimed at students who lacked English skills such as immigrants and ethnic minorities to help them acquire better English skills and gain access to the mainstream. By the 1980s, with the continuous deepening of global economic integration, exchanges between countries in various countries in the world continued to increase. Foreign languages ​​have become a part of the international political, economic, trade and cultural exchange.