additional clause

例句：

1. 1. The additional information will help us make a better decision.
   额外的信息将帮助我们做出更好的决定。
2. 2. They added an extra layer of protection to the wall.
   他们在墙上增加了一层额外的保护层。
3. 3. The company decided to add an additional salesperson to its team.
   该公司决定增加一个额外的销售人员到其团队。