VOA慢速英语:特朗普出席达沃斯会议 贸易可能是头等大事

keynote –adj. a main speech given at a gathering usually at the beginning

protectionism –n. helping businesses of one's own country by placing trade barriers on products from other countries

impose –v. to cause something to affect a person, group or process

solar panels –n. devices that change sunlight into electricity

domestic –adj. in one's home country

globalization –n. to cause trade and other social issues to involve the whole world

isolation –n. the state of being separated from others