Stock prices sagged after a short rally .

股票价格短期回升后又下跌。

But in 2009 demand for potash sagged along with the global economy .

但2009年由于受全球经济的影响钾盐需求量出现了下滑。

He sagged into the chair .

他无力地跌进椅子。

His face sagged with weariness .

他的面容因疲倦而委顿。

As fewer women wanted to peddle avon products , its sales sagged .

随着愿意直销雅芳产品的妇女人数减少，其销售开始下降。