reciprocal sales

例句：

1. 1. The company's policy of reciprocal sales has helped to build strong customer relationships.
   该公司的互惠销售政策有助于建立牢固的客户关系。
2. 2.The mutual sales between the two companies have increased their profits significantly.
   两家公司之间的互惠销售显著提高了它们的利润。
3. 3.Reciprocal sales are a common practice in international trade, where both parties benefit from each other's exchanges.
   在国际贸易中，互惠销售是一种常见的做法，双方都能从中获益。