其主要产品的滞销已经非常严重的翻译：Poor sales of its main products are very serious 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Its main products have been very serious slow-moving

Poor sales of its main products are very serious

Its main product unsalable already extremely was serious

Its main products of slow moving has become a very serious problem

Poor sales of its main products are very serious