A prisoner received a letter from his wife ：‘I have decided to plant some potato in the back garden。When is the best time to plant them？’The prisoner kmew that the prison police read all the letters，so he repliedin a letter：‘Dear wife whatever you do，DO NOT touch the back garden ！I hid all the gold there。’ A weekor later，he received another letter from his wife：‘You wouldn’t belive what happened。Some men came with shovels to the house，and dug up the whole back garden。’ The prisoner wrote another letter ：‘Dear， wife NOW is the besttime to plan the potato！’

一个囚犯收到了他妻子的一封信：“我想在后花园种些土豆，但什么时候种最好呢？”囚犯知道监狱的看守会查阅每一封信，所以他给妻子回信写到：“起爱的，无论如何也不要碰后花园的地，我把所有的金子都埋在那儿了。”一周之后他又收到了妻子的来信：“真是难以置信，前两天几个男人带着铲子到家里来，把花园的地都翻了。”囚犯再次回信，写到：“亲爱的，现在是种土豆的最佳时刻！”