Nasa's mega rocket has been moved to the launch pad in Cape Canaveral, Florida, as the final preparations get underway for the first crewed mission to the Moon in more than 50 years.
“一切贪图安逸、不愿继续艰苦奋斗的想法都是要不得的，一切骄傲自满、不愿继续开拓前进的想法都是要不得的。”
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It surveyed around 5,000 people and then followed 50 couples in forensic, sometimes intrusive detail, combining statistics with diaries, interviews and "emotion maps" of what happened in the home.
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