[, ] () the cost of sth calculated by adding the cost of materials used to make it and the cost of paying sb to make it, but not including costs that are connected with running a business, such as rent and electricity (overheads)主要成本，进货成本，直接成本（包括材料费和人工费，但不包括营运成本，如租金和电力）SYNdirect cost