with the advantage of具备...的优势
...advantage (with which to convince the customer ).括号内是一个定语从句
to convince the customer with the advantage to do 表目的
希望能帮到你 O(∩_∩)O~
这是个定语从句,换成正常语序为:convince the customer with a competitive advantage
把with提前就是你看到的这个句子
with是介词,和which构成介宾结构在从句中做to convince的方式状语
这是个定语从句,which是关系代词,代指前面的advantage