精选优质文档-倾情为你奉上Unit 1:Economic globalization: the integration of national economic into the international economy through trade, foreign direct investment capital flows, migration, and the spread of technology.Barter system: (物物交换) farming communities traded their surplus produce in exchange for products and services without the medium of money.Global village: all the different parts of the world form one community linked together by electronic communications, especially the internet.
