https://zh.m.wikipedia.org/wiki/%E6%96%B0%E5%A0%82%E7%AB%99%E6%9D%80%E4%BA%BA%E4%BA%8B%E4%BB%B6
https://tw.news.yahoo.com/%E4%BB%8A%E5%8C%97%E9%83%A8%E3%80%81%E6%9D%B1%E5%8D%8A%E9%83%A8%E9%99%8D%E9%9B%A8%E6%A9%9F%E7%8E%8
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.youtube.com/watch%3Fv%3D1qEHbc
從明白匯率影響人的深遠，開始理解到少數怕長計，永遠不與外國人做生意，自然不明白什麼成本浮動
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://m.youtube.com/playlist%3Flist%3DPL