Google Cloud uses a single API key format (AIza...) for two fundamentally different purposes: public identification and sensitive authentication.
Link to Influence Flower
，更多细节参见heLLoword翻译官方下载
arr[i] = output[i];。safew官方下载对此有专业解读
代码里最“不明觉厉”的部分来了：，详情可参考服务器推荐