表面的原因并不复杂——大宗商品价格下跌。超级周期结束，铜价回落，矿业投资减弱，这是几乎所有资源出口国都会面临的冲击。但更深层的原因在于，秘鲁极不稳定的政治环境。
merge(arr, left, mid, right); // 合并两部分
，更多细节参见搜狗输入法2026
It also argued that Wallace pursued his claim without giving it prior notice, and added that the BBC provided him with a copy of the personal data to which it says he was entitled on 7 October.
7月1日——甘肃天水幼儿铅中毒事件
// the writables internal backpressure is cleared and