idea:
1,随着人口断增长,社会就业压力越来越大,鼓励高阶人员退休是缓解社会压力的一种好方法.也有利于社会稳定
2,年轻人有朝气和动力,对工作有相当大的热情,头脑灵活,并且掌握了相对领先的新技术,有利公司长远发展
3,高阶人员退休后可以得到一笔相对丰厚的退休金,幸福的安度晚年
4,但是年轻人没有工作经验,无法在短时间内进入状态,创造价值,工作效率低,这样就需要有工作经验的人来带新人逐步走上正轨

范文：
Companies should encourage old employees (55 years old) to retire, in order to give opportunities to the new generation. To what extent do you agree or disagree?

Nowadays, plenty of old employees who are more than 55 years old must retire because of company policy; therefore, many people think that the development of a company cannot be separated from the number of young employees. The above point is certainly true; this essay will outline three reasons.

The main reason is that plenty of young employees mean that the company is infused with lots of young blood. With the development of technology, more and more new technological¹ products have been developed. The new generation masters advanced technology and has the energy to exploit. They have learned lots of knowledge in university; therefore it is definitely useful for the development of companies.

Another reason is that old employees cannot adapt themselves to the rapid pace. Old employees find it difficult to rapidly learn new things. With their limited physical strength, they are not capable of heavy manual work. So old employees are not a patch on young employees, it means not only intellect but also physical strength.

Last but not the least reason is old employees have already worked for more than half their lifetime, so they should retire to enjoy life. The old employees have already paid out too much in order to look after their family and career. So they should pursue their