从母亲断断续续的叙述和日后寻访中拼凑出的图景是，越南南北统一后一度大肆驱赶南方的华人，作为华裔商贾之家，他们首当其冲，一家人被反复分开审问，承受巨大的精神压力。母亲曾在市集卖布，被抓到就要行贿。后来，他们被迫迁往所谓“新经济区”艰难渡日。
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Mostly. This is because, theoretically, we could still save the ISS and move it into higher orbit. NASA has calculated that propelling the station more than 640 kilometers above Earth would keep it alive for 100 years—and also require at least 18.9 metric tons of propellant. That’s roughly 2,000 airline carry-ons. A thousand years would require at least 36 metric tons. If that doesn’t seem like very much, consider the fact that, right now, no vehicle can transport that amount of gas to the station. The still-in-development SpaceX megarocket Starship might be able to haul a significant percentage, but it would struggle to dock with the station, according to the space agency’s estimations.
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