This is the basic argument of what’s known as the Davis-Moore Thesis.

这是所谓的戴维斯-摩尔论点的基本论点。

The basic argument of the lawsuit is that Google possesses a monopoly over search engines and search advertising, which it maintains by entering into agreements to make its search engine the default on many devices.

这起诉讼的基本论点是，谷歌在搜索引擎和搜索广告领域拥有垄断地位，通过与许多设备达成协议，使其搜索引擎成为默认选项，从而维持其垄断地位。