Well, you could say it dilutes it but it doesn't lower the price of your investment, in general.

你也可以说这是一种摊薄,但总体上,你的投资价值并没有因此减少

耶鲁公开课 - 金融市场课程节选

So basically the idea is that the more these firms produce, so the more the total quantity produced q1 + q2, the lower is the price in the marketplace for this product.

核心思想就是两家企业生产得越多,即产量,q1 + q2,越大,该产品的市场价格就越低

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