1.The purpose of the law is to protect the right of the individual.
该法律目的是为了保护个人权利。
2. We must take account of the interests of the state, the collective and the individual.
我们要兼顾国家，集体和个人的利益。
3.The welfare of the individual is bound up with the welfare of the community.
个人福利与社会的福利有着密切的关系。
4.These habits are both universal among mankind and peculiar to individuals.
这些习惯在全人类中很普遍，而对个人来说又很独特。
5. The interest of individuals is indissolubly linked with that of the country. 个人利益同国家利益不可分割地联系在一起。
什么时候用单数，什么时候用复数
追答WELL,it very much depends on the writer, in whose case personal preference takes the upper hand.
Wish you a very good time, like the good weather we are having HERE IN SHANGHAI on this beautiful Friday,the 17th of August,2012.
什么时候用单数，什么时候用复数