他论点的实质在于男人比女人更有逻辑。

___The ___substance ___of his argument is that men are more logical than women.

我们需要关注她演讲的实质内容，而不仅仅是表达方式。

We need to focus on ___the ___substance ___of her speech, not just the delivery.

这篇文章的实质是气候变化需要立即采取行动。

___The ___substance ___of the article is that climate change requires immediate action.