自从“鸡皮疙瘩”系列丛书在校园流行后,小店里的“幽灵探测器”就卖火爆了。那是一个黑白相间、像逗号形状的钥匙扣,上面写了一些我看不懂的文字。据说这个东西能接收另外一个世界发出的信号,所以也叫“鬼魂雷达”。买过的同学说淘宝要卖两百多元一个,校门口的小店里便宜些,才卖二十多元—个。在好奇心的驱使下,我死磨硬泡地求着妈 Since the “goosebump ” series books popular in the campus, the store “ghost detector ” sold hot. That is a black and white, like a comma-shaped key ring, above wrote some words I do not understand. It is said that this thing can receive signals from another world, so it is also called “ghost radar”. Buying classmates say Taobao wants to sell more than 200 yuan a, cheaper shops in the front of the school, only sold twenty yuan - a. Driven by curiosity, I beg my mom for a long time