But to win over these young workers, manufacturers have to clear another major hurdle: parents, who lived through the worst US economic downtown since the Great Depression, telling them to avoid the factory.
重点词汇：manufacturer, hurdle, downtown
重点短语：the Great Depression
解析：该句为由“：”连接的两个并列句，前半句主语为“manufacturers”，谓语为“have to clear”，宾语为“another major hurdle”，后接“：”对前半句进行补充说明，后半句主语为“parents”后接一个由“who”引导的定语从句，谓语为“telling”，宾语为“them avoid the factory”。
翻译：但为了赢得这些年轻工人的青睐，制造商必须扫清另一个主要障碍：一些父母经历了大萧条以来美国经济最糟糕时期，他们告诉孩子们不要在工厂工作。
