translation.en: And what we found was that the builders thought that these were beautiful pieces of origami --  and they were willing to pay five times more for them than the people who just evaluated them externally.
translation.zh: 我们发现选择折的那些人 认为这些折纸很美， 与那些观察的人相比， 他们愿意出 5 倍的价钱买这些折纸。