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Same-store sales, which measure sales growth in stores open for more than a year

Ref:
  * (2024-01-05, https://www.barrons.com/amp/articles/costco-stock-price-sales-024f25c6)

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  * In 1930, the Indiana Bell Building was rotated 90°. Over a month, the huge building structure was moved 15 inch/hr, while 600 employees still working there. And No one inside felt it move.
    * https://www.reddit.com/r/BeAmazed/comments/1bbw31x/in_1930_the_indiana_bell_building_was_rotated_90/

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