例句與造句

1. an api starting material can be an article of commerce, a material purchased from one or more suppliers under contract or commercial agreement, or produced in-house
   原料藥的起始物料可能是在市場上有售、能夠通過合同或商業(yè)協(xié)議從一個或多個供應(yīng)商處購得，或由生產(chǎn)廠家自制。
2. It's difficult to find articles of commerce in a sentence. 用articles of commerce造句挺難的