This article is concerning about the English versions of the titles of "A Dream of Red Mansiom", through the angle of sense accordance——one of the characteristics of Chinese-English translation, in an attempt to attract readers interests and finds out better ways of translation.

In order to determine the product platform in product family design, the concept of Function Similarity was discussed, which was aimed at the function similarity of different products, and a new method to construct platform of function similar products was put forward based on bottom-up approach.

Chen argues that"functional equivalence"is an idealistic standard,and that when a translator finds it hard to reach the"equivalence",he has to seek"functional similarity"as the realistic standard.

In practice as the generally accepted translated terms cited in this paper show,what a translator always looks for is only"partial functional equivalence"or"functional similarity",when real "funct.