【答案解析】Over the past 20 years, no country in the world has expanded its foreign trade as fast as China. Japan spent twenty years in doubling its total foreign trade, while China spent the same amount of time in increasing its foreign trade by three times. China has become the third largest producer of electric appliances in the world, and has played a main role in the international market of electric appliances. China is also a major producer of labor-intensive products in the world.