Smalltalk-80 system browser and companionsThe System Browser (also called the class browser) is meant to explore the class structure of the system. In practice, it’s the main programming surface in most Smalltalk IDEs.
But Apple has saved its most interesting announcement for today: The MacBook Neo is a brand-new lower-cost member of Apple's laptop family and will take over for the 13-inch MacBook Air as the company's entry-level laptop. The new laptop starts at $599, the same as the M1 MacBook Air that Apple has been selling through Wal-Mart in the US, and much lower than the $1,099 starting price for the new M5 MacBook Air.
，这一点在91视频中也有详细论述
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