https://blog.wongcw.com/2022/07/19/%e7%be%8e%e5%9c%8b%e6%af%8f%e5%b9%b4%e8%8a%b1%e8%b2%bb2000%e5%84%84%e7%be%8e%e5%85%83%e7%94%a8%e6%96%bc%e7%99%8c%e7%97%87%e6%b2%bb%e7%99%82%e4%bd%86%e4%bc%bc%e4%b9%8e%e6%94%b6%e6%95%88%e7%94%9a/
美國每年花費2000億美元用於癌症治療但似乎收效甚微