关于大学生同居的看法英文小短文，字数200左右

我试试看吧，写的不好哈
nowadays,too many young people are choosing to cohabit before getting married. and it's not individual but a very common phenomenon.as for the root reasons prompting them to shack up can be attributed to the development of our social circomstances and the change of people 's attitude towards such premarital sexual behaviour
but people’s perception vary from different individual to different individual, especially the argument between youg generations and the old ones are extremely vehement.
some old people argued that a period of cohabitation can serve as a test litmus in deciding wheather they are to marry or not and can promote understanding which can help reduce the risk of divorce in the later days.
the elderly contend that, however, such behaviour are not appropriate and acceptable which should be dismissed as a typically decadent lifestyle, in addition, this kind of irresponsible behaviour can lead to the degradation of our social stand