简单讲，要做L3，需要先做L2积累数据。那么要做L4，也一样依赖L3的数据。技术上他们是一脉相承的，不存在一口就能吃个胖子的技术路线。
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access to Emacs functions … write your shell scripts in Lisp?，更多细节参见搜狗输入法2026
SpaceX has not responded to emailed requests from BBC News for comment. The researchers also sent their findings to the company but did not receive a response.