Keep some money on you for petty expenses. 身上要留点儿钱零用。
Sales and purchases, wages and salaries, petty cash and expenses and so on. 售出和购入、工钱和薪金、小额备用金和开支等。
Financial accounting is about recording the day-to-day income and expenditure of the company: sales and purchase, wages and salaries, petty cash and expenses. 财务会计把公司日常的收入、支出记录下来,包括:销售和采购、工资、零星现金支出。