open-door
adjective [ before noun ] uk/ˌəʊ.pənˈdɔːr/ us/ˌoʊ.pənˈdɔːr/
(对人或货物)门户开放的,开放的
allowing people and goods to come freely into a place or country
an open-door system 开放制度
open-door regulations 门户开放的条例
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