Let’s now imagine that the station is depressurized and, for the first time in decades, empty, operated entirely via computers and remote control. First, NASA and its partners must accept the need to deorbit—there’s no going back to save the ISS. This could be complicated: 23 countries in the European Space Agency, as well as Japan and Canada, are involved in the ISS partnership. And then there’s Russia. The Russians have committed to supporting the ISS only until 2028. But they did agree to help NASA in a contingency deorbit situation.
3. 递归：对左右子数组递归执行1-2步
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It's taken from the inside of the furnace, and shows plasma - gas heated to about 1,000C - glowing brightly.
"Instead of dismantling everything, we can actually reuse the facilities, the skills, the competencies we have."
wifeman → woman