Vocabulary:

　　fritter:to waste time or money on things that are not important 浪费（时间、金钱）；挥霍

　　budget:to be careful about the amount of money you spend; to plan to spend an amount of money for a particular purpose 谨慎花钱；把…编入预算

　　chip away:remove or withdraw gradually 逐步瓦解、消除