What are the best things to buy during Amazon's Big Spring sale?An Amazon sale means some of the best savings will be on Amazon devices like Echos, Fire TVs, and Kindles, but the reach of its spring sale goes far beyond that. With the focus on the spring season, expect to see lots of savings on outdoor gear like furniture, grills, tents, and power stations. Plus, there will be plenty of classic big sale savings on TVs, laptops, headphones, and tablets.
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OpenAI just announced a massive funding round of $110 billion, which is one of the biggest investment rounds in Silicon Valley history. The investors feature many of the usual suspects, including Amazon with $50 billion, NVIDIA with $30 billion and SoftBank with $30 billion. This investment brings OpenAI to a $730 billion valuation，详情可参考51吃瓜
（二）违反国家规定，在文物保护单位附近进行爆破、钻探、挖掘等活动，危及文物安全的。