int pivot = arr[low]; // 基准值
Read-only root filesystem — writable locations are the config mount, data mount, and /tmp/axe tmpfs
，更多细节参见heLLoword翻译
基层干部的政绩，从来不是报表上的数字、展板上的亮点，而是体现在乡亲们的三餐四季之中。作为一名农村基层代表，既要把眼下老百姓急难愁盼的实事办好，也得把那些打基础、利长远的事做扎实。
"They don't have internet all the time," he explains. "We send a message, we can see they didn't receive the message, and then they get internet, and we count the two blue ticks on WhatsApp."