additional reinforcement

例句：

1. 1. We need additional information to make a decision.
   我们需要额外的信息来做出决定。
2. 2. The company has added several new products to its line.
   该公司已经增加了几项新产品到其产品线中。
3. 3.He added some salt to the soup for flavor.
   他给汤里加了点盐增味。