commercial intercourse短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 贸易往来,通商 In the middle1800s, the Treaty of Five Ports Commercial Intercourse opened foreign markets and stimulated further development of the silk industry. 十九世纪中叶，五口通商的实行，开辟了国外市场，刺激了丝绸业的进一步发展。 yuntran There was much commercial intercourse between the two countries before World War II. 在二战之前，这两个国家相互通商。 blog.sina.com.cn