发票
"Please make sure to send the invoice by the end of the week for processing."
报价
"She included a famous quotation in her essay to support her argument."
合同
"She signed the contract to finalize the sale of her house."
谈判
"The negotiation took several hours to complete."
发货
"The shipment will arrive next Monday."
折扣
"The store is offering a 20% discount on all items."
采购订单
"We have received your purchase order."
交货
"The delivery of the package was delayed due to bad weather."
供应商
"We need to find a new supplier for raw materials."
质量控制
"Quality control is essential for maintaining standards."
协议
"The two companies reached an agreement to collaborate on the new project."