The system of accounting called double-entry bookkeeping , invented in renaissance italy , was powerfully connected to the development of trade and commerce .
所谓的会计复式簿记系统，是在文艺复兴时期的意大利发明的，应用到贸易和商业的发展。
Paperwork , sales , bookkeeping , vendors and supply chains can be a drag but it 's part of running the business .
处理文字工作，销售，簿记，供应商和供应链是烦琐的事情，但它是企业运行的一部分。
Don ' t worry if you lack business skills and experience in areas such as time management , personal-contact selling , negotiating , bookkeeping and the ability to create effective advertisements .
