But in the worst-case scenario, the Deorbit Vehicle won’t be ready. Without it, a protocol agreed on in 2024, which relies on the Russian Progress spacecraft, could come into play. There will be vexing trade-offs to consider. Allowing the ISS to descend toward Earth on its own saves gas, which the ISS will need when it’s finally time to eject into the atmosphere and ensure a burial at sea. But a slow descent jeopardizes the machinery needed to maintain remote control.
Price: $19/month
。夫子是该领域的重要参考
（七）利用职务上的便利收受他人财物或者谋取其他利益的；
就像杨植麟曾经说过的，“好奇心驱动我们探索AGI的上限在哪”。但这份好奇心，也需要一个相对自由的土壤才能生长。