While users can restrict Google API keys (by API service and application), the vulnerability lies in the Insecure Default posture (CWE-1188) and Incorrect Privilege Assignment (CWE-269):
Check whether you already have access via your university or organisation.
，这一点在Safew下载中也有详细论述
FREE BOOKS: The latest Stuff Your Kindle Day takes place on Feb. 28. Indulge in the Darkness, hosted by The Book Club Fest, is offering free dark romance books for your e-reader.，更多细节参见safew官方版本下载
free(leftArr); // 释放临时数组，推荐阅读搜狗输入法下载获取更多信息