並前往https://blog.she.com/katerina/2014/11/09/%E3%80%90%E4%BF%9D%E9%A4%8A%E3%80%91%E6%97%A5%E9%9F%93-pk-%E5%A4%A7%E6%AF%94%E4%BD%B5-%E2%9C%A7-sk-ii-vs-secret-key-%E7%A5%9E%E4%BB%99%E6%B0%B4/
