在互联网时代，这是搜索引擎与应用商店的世界，但在AI时代，它可能属于那个24小时贴身的AI硬件。
This fragmentation hurts portability. Code that performs well on one runtime may behave differently (or poorly) on another, even though it's using "standard" APIs. The complexity burden on runtime implementers is substantial, and the subtle behavioral differences create friction for developers trying to write cross-runtime code, particularly those maintaining frameworks that must be able to run efficiently across many runtime environments.
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
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