International trade is the buying and selling of products between countries. 国际贸易是指国家之间的产品买卖。

　　If a country has a lot of farms, the country sells agricultural products to other countries. 如果一个国家农场很多，那么这个国家会把农产品卖给其它国家。

　　People call this activity exporting. 人们称这样的活动为“出口”。

　　If this country doesn't have enough electronic goods, the country buys them from other countries. 如果这个国家没有足够的电子产品，那么这个国家会从其它国家购买它们。

　　People call this activity importing. 人们称这样的活动为“进口”。

　　Which country imports the most goods in the world? 世界上哪个国家进口的货物最多呢？

　　It is the United States. 它就是美国。