介绍性的对某一活动或产品的报道的翻译：Introductory reports on an activity or product 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Introductory activities or products of a report

Introductory reports on an activity or product

Introductive to some active or product report

Introduction to the nature of a particular activity or product coverage

Introductory reports on an activity or product