每一步的实现都能对应到具体文件：
The late 1990s buildout of fiber-optic networks, in which companies spent billions to pull dark fiber across continents and under oceans, saw borrowers like WorldCom, Global Crossing, and others go under. The shale revolution that prompted U.S. oil and gas companies to issue $350 billion in debt to fund drilling led to hundreds of bankruptcies after oil prices swooned in 2014 and 2015. Going back even further to the early 1900s, the widespread adoption of electric power led to a buildout that saw roughly half of the 3,000 small utilities and power companies that existed either disappear or get sold during a brutal decade of consolidation. In each case, there were also long-term victors who inherited infrastructure and reaped the benefits of these expansions in the form of lower-cost bandwidth, cheaper consumer prices, and large manufacturers that consolidated the power grid.，推荐阅读新收录的资料获取更多信息
更值得注意的是，尚睿科技存货跌价准备的计提比例相对较低。报告期内，公司存货跌价准备金额分别为1,611.83万元、1,427.97万元、1,491.66万元和1,670.50万元，计提比例均在5%左右。与同行业的三态股份相比，这一比例明显偏低，同时也低于行业均值。。新收录的资料对此有专业解读
Obsession will screen at SXSW. It hits theaters May 15.