ON products USING GIN ((data-'tags')) - extracts value by 'tags' key as JSON(B) and uses GIN to index it, since it is a composite type; it allows using various containment and existence operators for this particular part of the JSON document
液化石油气（LPG）主力合约触及涨停，涨幅8.99%，报5126元/吨；乙二醇（EG）主力合约触及涨停，涨幅5.98%，现报4025元/吨。。业内人士推荐体育直播作为进阶阅读
Мужчина ворвался в прямой эфир телеканала и спустил штаны20:53，推荐阅读WPS官方版本下载获取更多信息
Что думаешь? Оцени!。体育直播是该领域的重要参考
As you can see, modules in Modular Design are not layers. Names like “Domain”, “Application” are not desirable, because they clearly favor a technical separation. In such designs the business logic related to one process is often scattered and at the same time unrelated logic is squeezed into one “module”. Both cases make it harder to reason about the system.