similar regions

例句：

1. 1.The two books are very similar in style.
   这两本书在风格上非常相似。
2. 2. Thecolors of the flowers are similar to thoseof the trees.
   这些花的颜色与树的颜色相似。
3. 3. The two cities are similar insize and population.
   这两个城市在大小和人口数量上是相似的。