buying and selling

购销

例句与用法：

A firm engaged in buying and selling stocks and bonds for clients.

代理公司专门从事为客户买卖股票和债券的公司

Suitable for buying and selling; marketable.

适销的适于买卖的; 可以销售的

The buying and selling of goods, especially on a large scale, as between cities or nations.

商业; 贸易商品的买卖，尤指大规模的，如在城市和国家之间