門もん戸こ開かい放ほう政せい策さく

noun

open door policy

Refers to the historical policy of equal trading rights in China, or more broadly any policy of open access.

• 19世せい紀き末まつ、アメリカは中ちゅう国ごくに対たいして門もん戸こ開かい放ほう政せい策さくを主しゅ張ちょうした。

  At the end of the 19th century, the United States advocated an open door policy toward China.