对立法是一种常见的议论文写作技巧，它通过展示不同的观点来引出作者自己的看法，特别适用于讨论有争议性的主题。

对立法的应用
例句 1: When asked about the impact of social media, the vast majority of people say that it has revolutionized communication. But I think/view a bit differently. 这个句型用来表达尽管大多数人认为社交媒体彻底改变了沟通方式，但作者持有不同的观点。
例句 2: When it comes to the use of nuclear energy, some people believe that it is a clean and efficient source of power. Others argue/claim that the opposite/reverse is true. There is probably some truth in both arguments/statements, but I tend to the former/latter. 这个句型用来展示核能支持者和反对者的观点，并表明作者倾向于其中一方。
例句 3: Now, it is commonly/generally/widely believed/held/acknowledged that fast food is convenient and tasty. They claim/believe/argue that ... But I wonder/doubt whether this convenience and taste come at too high a cost to health. 这个句型用来质疑普遍认为快餐方便且美味的观点，作者表达了对这种看法的怀疑。

应用实例
社会媒体影响讨论：在讨论社交媒体的影响时，可以使用对立法来展示不同观点，例如："Many argue that social media has connected the world in unprecedented ways, but I believe it has also led to a rise in cyberbullying and privacy concerns."
核能辩论：在核能的辩论中，可以这样表达："Proponents of nuclear power claim it is a reliable energy source, while opponents warn of the catastrophic risks. Personally, I am more concerned about the long-term effects of nuclear waste."
快餐文化：在讨论快餐文化时，可以这样写："Most people enjoy the convenience of fast food, but I question whether the short-term satisfaction is worth the potential long-term health risks."

对立法是一种有效的写作技巧，它通过展示不同的观点来引出作者自己的看法，增加了文章的深度和说服力。在写作和口语表达中，合理运用这种技巧可以提高我们的表达效率和沟通效果，尤其是在处理复杂和有争议性的主题时。