两者最明显的区别在外形上。蜡梅叶片对生生长，梅花叶片则是互生。蜡梅花瓣质地厚实、蜡质光泽明显，花色以黄为主；梅花花瓣薄而柔润，花色丰富，有粉、白、红等。蜡梅幼枝四方形、老枝近圆柱形，整体枝条挺拔；梅花小枝为绿色、常弯曲，树干树皮浅灰色或带绿色，平滑。
“Our employers match that contribution and it’s providing four different insurances: It’s loss of a job, it’s survivor life insurance, it’s disability insurance, and it’s medical insurance, Medicare…It’s hundreds of thousands of dollars in everyone’s retirement years,” she continued. “And for couples or high earners, it’s often over a million dollars just depending on their life expectancy.”
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// 易错点3：跨度计算公式写反（stack[...]-i）→ 结果为负数，完全错误，这一点在91视频中也有详细论述
3. 重复步骤2直到堆大小为1