\(f\) is a bijection,
'The pain was so bad I had to leave my job'
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4급 ‘마스가 과장’, 단숨에 2급 국장 파격 직행…“李대통령 OK”
Only six years ago, the boss of Ocado Group was writing the obituary for supermarkets as he predicted that a surge in online grocery shopping during the pandemic had brought forward the hi-tech future.
It was a huge step forward for Bezos and his company that has spent years getting to the point of sending a rocket into orbit.