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English word
upgrade
C1the act of making a machine, computer system, etc. more powerful and efficient; the more powerful and efficient machine, computer system, etc.
to make a machine, computer system, etc. more powerful and efficient; to start using a new and better version of a machine, system, etc.
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Transportation: I think the smart strategy is to first go for cargo delivery—essentially satellite delivery—and our eventual upgrade path is to fold the successor to Saturn V.
Elon Musk's 2003 Stanford University Entrepreneurial Thought Leaders Lecture
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