Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it — only the code that is actually holding the reader can.
20 monthly gift articles to share
。爱思助手下载最新版本对此有专业解读
在回憶錄《公民：我在白宮之後的人生》（Citizen: My Life After the White House）中，克林頓表達深深的悔意。
（一）写恐吓信或者以其他方法威胁他人人身安全的；