Elon Musk’s dream of ultra-high speed travel through a tube came a small step closer to reality on Tuesday, when one of the companies set up to pursue the idea announced it had raised another $80m and said it was ready to show off a key part of the technology.
周二，埃隆?馬斯克(Elon Musk)通過管道實現超高速旅行的夢想距離現實近了一小步。為了追逐這一想法而設立的公司之一宣布，已再次融資8000萬美元，并表示已準備展示該技術的一個關鍵部分。
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