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，这一点在WPS下载最新地址中也有详细论述
When last I left the C64 Lights-Out project, I’d used a set of static sprites to add rivets and drop shadows to the game board. At the time, I left it at that and did not attempt to completely close the gap with the NES display. In particular, the buttons on the board are flat, and on the NES and PICO-8, they both had drop shadows of their own and animated being pressed when they were selected. We used all eight of the VIC-II chip’s sprites to produce the shadows we have above; we’d need 33 to do what we want properly.
过去，零售商习惯了向供应商收取进场费、条码费、节庆费。这导致采购员异化为收租公，背离了买手的本职：供应商被迫抬高供货价，价格和前台毛利失真；零售商丧失了对商品的真正选择权，商品在消费者面前失去竞争力。