It is as important for older people to study or learn new things as it is for younger people.
解析：
這個題目是一個A=B的題目，筆者建議同意，因為只需分別說出A和B的各一個好處，就可以成功論證具體思路如下：
全文思路梳理：
理由一：對老年人重要：因為可以鍛煉思維，預(yù)防記憶力反應(yīng)力的退化，或者老年癡呆癥。(On the one hand, there is no denying that learning new things plays an important role in practicing the thinking of the old and is beneficial for their health. As we all know, it’s easier for old people to suffer from the lapse of memory and Alzheimer disease, and mental labor can contribute to preventing these illness.(+具體事例))
理由二：對年輕人重要：學(xué)習(xí)新的技能可以讓年輕人在學(xué)習(xí)工作中表現(xiàn)優(yōu)異，在激烈的競爭中脫穎而出。(On the other hand, it’s also indisputable that acquiring new knowledge is crucial for the young due to the fierce competition today. In order to outcompete others, youngsters have to develop more skills through learning new things.(+具體事例))