导读：近期，各种考试的题目频频泄题，使得家长和学生存有侥幸心里，各种考试的作弊方式层出不穷，Quora曝光了一些学生们用到的天才作弊工具，我们来围观一下~原来老外作弊也高招不穷啊！

Invisible unless you're very, very close: one rebellious student determined to score highly wrote the answers to exam questions on the back of a calculator in pencil.

除非你特别靠近，否则是无法察觉的：一个叛逆的学生为了得高分，将考试的答案用铅笔写在了计算器的背面。