...onomical and convenient for use实用，有效，廉价，方便 bilateral and multilateral economic cooperation双边和多边经济合作 bilateral trade双边贸易 ..
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We actively participated in international and regional economic cooperation and continued to deepen multilateral and bilateral economic and trade relations.
积极参与国际和区域经济合作，多边双边经贸关系继续深化。
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