近日，东南大学博士生导师陈洪兵教授在小红书上说：自从博士扩招，博士由考试入学改为考核入学后，博士生源质量明显下降，博士们根本不读书，水平比硕士还差。所以近年来他都是劝退想读他的博士的考生们，先想清楚再读博，宁缺毋滥。混个博士学位一点用都没有，纯粹浪费教育资源！
The most obvious trend is continued growth in AI search usage. As more people discover tools like ChatGPT, Claude, and Perplexity, and as these tools improve their interfaces and expand capabilities, the percentage of information-seeking behavior flowing through AI models will increase. This doesn't necessarily mean traditional search engines will disappear, but it does mean the traffic pie is being redivided, with AI search claiming an expanding slice.，推荐阅读旺商聊官方下载获取更多信息
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在跨应用协作层面，Claude 现在可以在 Excel 与 PowerPoint 之间端到端完成多步骤任务。它能先在 Excel 中完成数据分析，再自动生成 PowerPoint 演示文稿，目前以研究预览形式向 Mac 和 Windows 平台所有付费用户开放。
security framework rather than implemented in a separate runtime layer.。关于这个话题，搜狗输入法2026提供了深入分析
def append_csv(item):