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如果你也正站在孩子入园的门槛前，我想分享几点心得：
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"NASA must standardize its approach, increase flight rate safely, and execute on the President’s national space policy. With credible competition from our greatest geopolitical adversary increasing by the day, we need to move faster, eliminate delays, and achieve our objectives," said Isaacman. "Standardizing vehicle configuration, increasing flight rate and progressing through objectives in a logical, phased approach, is how we achieved the near-impossible in 1969 and it is how we will do it again."
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2014年，依托NLP技术，儿童机器人赛道单月出货量达到数百万台，一片繁荣。但到了2017年，阿里、小米、百度都纷纷下场做智能音箱，并通过低价策略迅速抢占市场，那时几乎人手一个天猫精灵，或者是小度、小爱同学。儿童机器人几乎全军覆没。