借助光栅原理，让屏幕发出的光只能从正面特定角度范围内看到，从而实现「大角度防窥」的效果：
While we do recognize the importance of platform security and user safety, the Android platform already includes multiple security mechanisms that do not require central registration. Forcibly injecting an alien security model that runs counter to Android’s historic open nature threatens innovation, competition, privacy, and user freedom. We urge Google to withdraw this policy and work with the open-source and security communities on less restrictive alternatives.
，更多细节参见Line官方版本下载
"published": item.published,。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
Цены на нефть взлетели до максимума за полгода17:55
self.file_exists = os.path.exists(csv_path)