翻译：这本书主要写的是传统出版业和数字出版业之间有趣的相似性。   

This book is mainly to draw an interesting parallel between traditional publishing and digital publishing.

造句一：我喜欢粤剧和相声，在文化传承性和代表性方面我看到许多共性。

I love Cantonese Opera as much as crosstalk. In terms of cultural heritage and representatives, I see a lot of striking parallels between the two drama.

=similarity

作形容词：A is parallel to B  与…平行

作名词：a pair of parallel lines 平行线； 相似性；共性

The Big Apple  纽约市

to draw parallels/a parallel between A and B”，意思是“在 A 的身上可以看到 B 的影子；A 和 B 有很大的相似之处