四、范文示例(议论文):
The Impact of Social Media on Teenagers
In recent years, social media has become an indispensable part of teenagers' lives. While it offers convenient communication, its negative effects should not be ignored. Firstly, excessive use may lead to addiction, affecting study and health. Secondly, the pressure of online comparison can cause mental stress. However, when used reasonably, social media can help build friendships and access valuable information. Therefore, we should learn to balance online and offline activities to maximize its benefits.