What is the difference with 'in memory of' and 'in honor of'?

问题描述:

What is the difference with 'in memory of' and 'in honor of'?
the same as the topic

in memory of 是纪念某人某事的意思
经常电影里最后会有 in memory of our great police ,Tom
意思就是谨以此片献给我们伟大的警察 Tom
in honor of 以纪念,向 …… 表示敬意