Discard old data — evict what's already buffered to make room
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，这一点在91视频中也有详细论述
周鸿祎回应三六零发力AI眼镜：“这东西挺难做的”
"Do your homework, listen to your teacher, pay attention in class and read books, and that will give you something to focus on," she says in a matter-of-fact way.