人教社2003年版《世界近代现代史》上册介绍德川幕府统治下的日本实行锁国政策时写到:“日本成为一个闭关自守的国家,只同中国、朝鲜、荷兰保持着有限的贸易关系。”日本锁国之后,还留下了惟一的一个对外交往通道,那就是允许在九州的长崎 The 2003 edition of the People’s Education Society’s “Modern History of the Modern World,” which was written in the first volume of the Japan policy of locking the country under the rule of the Tokugawa Shogunate, wrote: “Japan has become a closed-door country and has only limited trade relations with China, North Korea, and the Netherlands.” After Japan locked the country, it also left the only one foreign exchange channel, which is to allow Nagasaki in Kyushu.