When answering this question, you can compare the habits and purposes of mobile phone use between young and old people. Young people often use mobile phones for social networking, entertainment, gaming, and accessing information quickly. They are usually more comfortable with new apps and technologies. In contrast, older people may use mobile phones mainly for making calls, sending messages, and sometimes for basic internet browsing or using simple apps. You can also mention that older people might be less interested in social media or gaming, and may face more challenges adapting to new technology. Giving specific examples of typical activities for each age group can make your answer more convincing.

回答这个问题时，你可以比较年轻人和老年人在使用手机习惯和目的上的不同。年轻人经常使用手机进行社交网络、娱乐、游戏和快速获取信息。他们通常对新应用和新技术更为熟悉。相比之下，老年人可能主要使用手机打电话、发短信，有时用于基本的上网或使用简单的应用程序。你还可以提到老年人可能对社交媒体或游戏兴趣较低，且在适应新技术方面可能面临更多挑战。举出每个年龄段典型活动的具体例子可以使你的回答更有说服力。