名词
中文翻译：Unknown
同义词：
['open agreement', 'open contract', 'open pact']
例句：
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1. The government has agreed to open the borders for trade.
政府已同意开放边境进行贸易。
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2. The two countries have reached an open treaty on cooperation in science and technology.
两国就科技合作达成了一项公开的条约。
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3. The new treaty is meant to open up more opportunities for international trade.
新条约旨在为国际贸易提供更多机会。