求翻译：事实上，有专家指出，过去两年约100万人的大规模裁员阻碍了经济的显著复苏。然而，尽管告诫之声不绝于耳，从亚马逊到雅虎的各家大企业还是纷纷发出解雇通知书。它们辩称，大规模裁员是它们应对重大困难的唯一有用的武器。是什么意思？

In fact, some experts pointed out that, about 1 million people in the past two years significant large-scale layoffs hindering economic recovery. However, despite telling loud, from Amazon to Yahoo, big enterprises or have issued a notice of dismissal. They argue that large-scale layoffs only useful weapons is that they deal with major difficulties.