差别在于用法不必。be similar to后边既可以加物主代词又可以加人，即：be similar to sth/sb be similar with后边只可以加人，即be similar with sb.
similar with 和 similar to 的差别
1、用法差别：be similar to后边既可以加物主代词又可以加人，即：be similar to sth/sb be similar with后边只可以加人 ，即be similar with sb.
例句：
1Drop in the earth, down to the river, went straight to the natural away, andChiang Kai-shek peaceful purpose 。
滴在土里，下到河里，直奔了自但是去的，中正安然平静，应与琴旨附近吧。
2、是不是可以加从句：be similar to后边可以随从跟随句，而be similar with不成以。
例句：
1To legalize it will be similar to that of horse-racing if this proposal is passed.
合法化会相似，赛马假如这项倡议得到经由过程。
3、释义不完全不异：be similar with 是或人对什么很熟悉 ，是主动 ;be similar to 是某物为或人所熟知，与...相似 , 是主动。
例句：
1Be similar with economic spatial distribution，the characteristic of populationspatial distribution is spatial centrality.
经济的空间散布具有会合性特点，人口的空间散布及演化亦是如此。
similar的用法
1.用作定语
He likes bread, cake and other similar foods.
他爱好面包、蛋糕以及诸如此类的其他食品。
Similar triangles have equal angles.
相似三角形有相等的角。
The two men have similar political views.
这两小我私家有相似的政治概念。
2.用作表语
The two boys are very similar.
这两个男孩长得很像。
No two animal habits are exactly similar.
没有两个植物的糊口习性是完全相似的。
Gold is similar in colour to brass.
金子的颜色和黄铜很像。
The twin brothers are similar in every respect.
这对孪生兄弟在各方面都很像。
We are somewhat similar in taste.
我们的口味有点相似。