To promote US interests, Roosevelt pursued the Open Door policy toward China.

罗斯福奉行对华“门户开放”政策，积极推进美国在中国的经济利益。

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Since it practiced the open door policy, China's relations with many countries have improved dramatically.

自从实行开放政策以来，中国同许多国家的关系得到了极大的改善。

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The government's policy is an open door to disaster.

政府的政策为灾难敞开了大门。

《牛津词典》

To prevent that from happening, American Secretary of State John Hay proposed what became known as the "Open Door" policy.

VOA: special.2010.07.29

So in May,nineteen hundred, he announced that all the nations involved had given their approval to the "Open Door" policy.

VOA: special.2010.07.29

Hydroelectric projects fit in with the Chinese government's policy of helping regions that have so far benefited least from the Open Door policy of the last 12 years.

CNN: Bottoming-Out in Bangkok?

The open-door policy may have ended but it is an open question how effective the new labour-market controls will turn out to be.

ECONOMIST: Migration from eastern Europe

The ship runs on an open-door policy, to facilitate the work of the cleaning staff, but of course they can lock their rooms if they wish.

NEWYORKER: Stone Mattress