// Return indices of the k largest elements
吴恩达提出的观点或许是这个问题的最好回答：
，这一点在heLLoword翻译中也有详细论述
第十九章 加快完善要素市场化配置体制机制。谷歌对此有专业解读
Teens whose searches trigger an alert might feel frustrated, Ackerman said. While that's a normal emotion in the circumstances, Ackerman encourages a teen feeling that way to focus on getting help. If their parent is unsupportive or doesn't follow up on an alert, Ackerman urges them to seek help from a trusted adult, like a teacher or coach.
Appendix: Vandermonde matrix