int4 — 最大程度的压缩，文件大小减少约 4 倍。质量损失更明显（约 2~10%，具体取决于模型），但通常可以接受，尤其对于函数调用而言。
"I was reading a magazine article on the Gemini astronauts. I was probably nine years old, and I thought that's the coolest thing. That's what I want to do," she says.
。旺商聊官方下载对此有专业解读
这个恶性循环的逻辑很简单：客流下滑、增长疲态显现→品牌选择区域加密+付费投流→原本原价消费的老客，也转向团购、折扣券消费→门店毛利持续压缩，现金流枯竭→最终只能闭店。
// 1. 建堆：从最后一个非叶子节点开始向上调整