英语语法问题请教。。。谢谢了？

Question

In their efforts to persuade us to buy this or that product, advertisers have made a
close study of human nature and have classified all our little weaknesses.
请大家帮忙分析一下这句话的结构和具体成分，谢谢大家。

Answer 1

In their efforts to persuade us to buy this or that product目的状语短语, advertisers 主语have made 谓语 a close study of human nature宾语 and 连词 have classified 并列谓语all our little weaknesses宾语.

Answer 2

In their efforts to persuade us to buy this or that product.
介词短语， 可以作状语等。
意思是：
他们极力劝导我们买这个或者那个产品。

Answer 3

追问

谢谢老师的详细讲解，已收藏！