求翻译：目前的原材料上涨涉及珠宝业所用的黄金和钯。但同时也涉及棉花和皮革。这位消息人士表示，后两者增幅 “超过50%”。是什么意思？

Currently used by rising raw material involving jewellery of gold and Palladium. But it also involved cotton and leather. The sources said, which increases "over 50%".