| 单词 | open door |
| 释义 | open door —open-door, adj. 1. the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration. 2. the policy or practice of trading with all nations on an equal basis. 3. admission or access; unrestricted opportunity: His experience had given him an open door to success in his field. [1520-30] |
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