英语语法分析

Kinship is unilateral while friendship and love are bilateral.

亲情是单方面的，而友情和爱情是双方面的。

The business council is aimed at balancing bilateral trade by expanding trade volume.

商务委员会旨在通过扩大贸易规模来平衡双边贸易。

This bilateral asymmetry begins to appear in the juvenile sixth stage of development.

这种双侧不对称开始出现在青少年发育的第六阶段。