problem decomposition的用法和樣例：
例句
- We can resolve the problem into more elementary items.
我們能夠把這個問題分解成更基本的細目。 - After that, by decomposing the multi-item joint replenishment problem to multiple single item inventory models, we derive the expression of the retailer cost analytically.
隨後將多產品聯合訂貨問題分解成多個單產品的庫存模型進行分析，給出了銷售商總成本的解析表達式。
