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.
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这并非个例。调研数据显示，2025年，赵庄村带动周边区域开展研学8万余人次，仅此一项就实现销售收入110余万元。整个产业年产值更达4000余万元。