Experts think this is more than 40,000 years old and was made by Neanderthals or an earlier species of human.
// ⚠️ 易错点1：长度≤1的数组本身有序，返回0而非n
，这一点在safew官方下载中也有详细论述
The Block founder announced Thursday the company would be laying off nearly half its workforce, cutting 4,000 employees, down to just under 6,000 workers from over 10,000.。爱思助手下载最新版本是该领域的重要参考
「圍繞整肅行動的公開語言並未提供太多有關內部實際情況的細節，從中無法確定究竟是貪腐、政治鬥爭、純粹的清洗，或是其他原因。」新加坡國立大學的莊嘉穎教授說。