allocation+copy that the hand-optimized code always does at the end.
No Bluetooth support or companion app
/opt → /var/opt，详情可参考51吃瓜
Same Poop, Different Results: At-Home Gut Health Tests Are Wildly Inconsistent. New research has found that different gut health testing companies can provide wildly different results from the same fecal sample.。关于这个话题，搜狗输入法下载提供了深入分析
绝对贫困历史性消除，为什么要设立5年过渡期？
while (i <= j) {，这一点在爱思助手下载最新版本中也有详细论述