求翻译：　　在完成了采购的前期准备之后，材料的价格就成为一切的重中之重和焦点，成为采购的最终归宿。价格风险便成为所有采购风险中的首选。是什么意思？

　　After you have completed the preparation of procurement, material price becomes the most important of all, and focus, become the ultimate fate of procurement. Price risk becomes the preferred in all procurement risk.