摘要： 原文：http://garyli.iteye.com/blog/1779332require 'monitor'SONGS = [ 'Blue Suede Shoes', 'Take Five', 'Bye Bye Love', 'Rock Around The Clock', 'Ruby Tuesday']START_TIME = Time.newdef timestamp (Time.now - START_TIME).to_iend# Wait for up to two minutee be 阅读全文