友人对我说起一件亲身经历的事，他在商场购物后索要发票，店员问：“写多少钱？”简洁明了得不容易置疑。我不禁问：“现在税务机关要施行‘以票管税’，发票上多开数目，不但违法，且要多交税，他干吗这么做？”朋友一语道破天机：“所谓天知地知你知我知，有谁得了便宜... Friends talked to me about a personal experience, he asked for an invoice after shopping in the mall, the clerk asked: “How much?” Simple and concise is not easy to question. I can not help but ask: “Now that the tax authorities are going to impose” tax administration on the draft “, the number of taxpayers is more than that on the invoices, which not only violates the law but also increases tax payments. Why is he doing this?” You know I know, who got a bargain ...