1, Zhang Feng wants to write a debit note and give it to his neighbor for signature, 2 Zhang Feng is on a business trip to buy two computers, and you have to make a cashier's payment slip, air tickets and the like, and you have to write an expense account when you are on a business trip, 3, and the cashier gives Zhang Feng 1000 yuan. According to the regulations of the general company, you write the payment slip and the neighbor signs it, and you don't need to give a receipt.