滞销

例句：

1. 1. The product has beenon the market for a long time andis now facing a problem of stagnation in sales.
   这款产品已经在市场上销售了一段时间，现在正面临滞销的问题。
2. 2.Due to the economic downturn, manyproducts are experiencing stagnation insales.
   由于经济衰退，许多产品都面临着滞销的问题。
3. 3. To solve the problem ofstagnation in sales, thecompany needs to improve its marketing strategies.
   为了解决滞销问题，公司需要改进其营销策略。