NASA leaders said the shakeup is meant to address a larger underlying problem: the U.S. agency is flying its most powerful rocket too infrequently and repeating some of the same technical issues from one mission to the next.
Последние новости。同城约会对此有专业解读
「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境。关于这个话题，safew官方版本下载提供了深入分析
time.sleep(2 ** attempt) # 指数退避，详情可参考51吃瓜
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