简答题_______ is a document of title. A、L/C B、Inspection certificate C、B/L D、Insurance policy简答题“The watch goes with a tolerance of 3 seconds” is an example of _______. A、quantity tolerance B、quality tolerance C、quality latitude D、more or less clause简答题Extra cost includes the cost of the exchange rate, packing and marine insurance简答题______ price is the basis to calculate the premium. A、FOB B、CIF C、CFR D、EXW简答题B/L serves as the (1) , evidence of the contract of carriage and the receipt of the goods.简答题In clear account trade, the exporter and importer can exchange their products without using their reserve of foreign exchanges.