refrain of

原文:http://www.stltoday.com/lifestyles/fashion-and-style/debra-bass/campaign-aims-to-make-retail-careers-trendy/article_50d19ffb-64b3-578d-ac15-89b481fb09ff.html

"Retail is detail. I say it all the time,” said Natalie Woods of Project Retail, a consulting firm that helps boutiques analyze sales data to work more efficiently. She, too, knows the refrain of would-be store owners who want to go into “fashion … and they don’t even really know what that means. "

看不懂 refrain of那段.
我猜的意思是
"他聽過不少有意願投入時尚界的人其實根本不懂他們要做的事"

如果意思是我猜得這樣,那可以寫成?
" She, too, knows many would-be store owners who want to go into “fashion … and they don’t even really know what that means. "