n.类比，比较,
Merriam-Webster Online Dictionary
analogy (noun)1.
that if two or more things agree with one another in some respects they will probably agree in others - inference
2.
a) resemblance in some particulars between things otherwise unlike - similarity
b) comparison based on such resemblance
3.
between the members of pairs or sets of linguistic forms that serves as a basis for the creation of another form - correspondence
4.
correspondence in function between anatomical parts of different structure and origin - compare homology likeness