rating of exchange

例句：

1. 1. Thecompany's stock is currently at alow rating of exchange.
   该公司的股票目前处于一个低评级的交换状态。
2. 2. The new policywill have a significant impact on the exchangeof goods and services.
   新政策将对商品和服务的交换产生重大影响。
3. 3. The exchange ofinformation between countries is crucial for global economicgrowth.
   国家之间的信息交换对于全球经济增长至关重要。