别扣这种语法了。我在网上搜了搜，native speaker也觉得困惑。
https://forum.wordreference.com/threads/not-because.1498391/
https://www.englishforums.com/English/MeaningOfNotBecause/jqphr/post.htm

【 在 ruanji314420 (ruanji314420) 的大作中提到: 】
: I don't teach because teaching is easy for me.
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FROM 124.64.16.*