placement: “across chest height”
of the most enduring properties of the 3614/3624: their handling of PIN numbers.
。关于这个话题，旺商聊官方下载提供了深入分析
Sammy Azdoufal told The Verge he wasn't trying to hack anyone else's robot vacuum. It was merely a fun project for the software engineer, who alerted DJI about its massive authentication slip-up — while sharing how little work it took to access the ins and outs of a Romo owner's home.
我当了30年文学刊物编辑，见过许多憋着劲儿要“一鸣惊人”、结果连第一段都画不上句号的作者。写作面对的最狠的敌人是什么？不是文笔差，不是没想法，而是那个在你耳边嘀咕“这不行、那不够”的完美主义小鬼。它让你写了三句删两句，让你总觉得这句、这段“没写好”，最后留下一个完不成的“作品”，或者什么也没留下。