原來我們都被無雙騙了，造假鈔的無酸紙很常見，變色油墨也不難做

原來我們都被無雙騙了，造假鈔的無酸紙很常見，變色油墨也不難做It turns out that we are all deceived by matchless. It is common to make acid-free paper with counterfeit money, and it is not difficult to make color changing ink