alterations

例句：

1. 1. The restaurant has made several alterations to its menu since reopening.
   这家餐馆自从重新开业以来已经对菜单做了几次改动。
2. 2. The book has been extensively revised for its second edition.
   这本书为了第二版已经被广泛修订了。
3. 3. The company has implemented several changes to improve efficiency.
   公司已经实施了一些改变以提高效率。