https://blog.wongcw.com/2020/11/18/ubi%e9%9d%a2%e5%b0%8d%e5%85%a8%e7%90%83%e5%a4%a7%e6%b5%81%e8%a1%8c%e6%9c%83%e6%9c%89%e6%95%88%e5%97%8e%ef%bc%9f%e8%82%af%e5%b0%bc%e4%ba%9e%e8%a9%a6%e9%a9%97%e7%b5%a6%e5%87%ba%e7%ad%94%e6%a1%88/
UBI面對全球大流行會有效嗎?肯尼亞試驗給出答案