既生亮何生瑜用英语怎么说

Now that there is Zhu Geliang, why is Zhou Yu still born?
既然已经有了诸葛亮，为何周瑜还要出生？

ps:个人翻译，如误见谅。

Both health-Liang Sheng-yu

既生瑜何生亮
Why is there always someone smarter?