求翻译：在宣布法国境内大多数专卖店提前关店打烊时间后两周，奢侈皮具品牌路易威登（LouisVuitton）又对某些产品实行加价，根据消息人士向法新社透露，原因是“原材料涨价压力”。是什么意思？

Announcing France within two weeks after most stores to wind up business to shut up ahead of time, luxury leather goods brand Louis Vuitton (LouisVuitton) and charges imposed on certain products, according to informed sources revealed to AFP, as "raw material price pressure."