随函寄上合同副本两份。
任何想要在美国获得出版物版权保护的人必须向图书馆提交两份副本。
Anyone who wants copyright protection for a publication in the US must send two copies to the library.
我们每人保留一份正本和两份副本。
我们每个人保留一份正本和两份副本。
那是当然。我们每人保留一份正本和两份副本。
那是当然。我们每人保留一份正本和两份副本。
合同签订三份副本，卖方保存一份，买方保存其余两份。
This contract signed in three copies, the seller holds one copy and the buyer hold two copies.
这是我们准备赖的两份合同副本。
运输单据，一份正本两份副本。运输单据上要注有“运费已付”、合同号和唛头。
Transport Document in one original and two copies marked "Freight Prepaid", contract number and shipping marks.
本合同一式四份(正副本各两份)自签署后生效。
The Contract is written in quadruplicate (two for original and copy respectively) which shall become valid on the date of signature.
并带两份副本到课堂研讨会上。
的翻译是：其中一个专利的申请保护设计寻求的颜色同时提交后，绘图或彩色照片应提交两份副本。
Where an application for a patent for design seeking concurrent protection of colors is filed, a drawing or photograph in color shall be submitted in two copies.
的翻译是：其中一个专利的申请保护设计寻求的颜色同时提交后，绘图或彩色照片应提交两份副本。
Where an application for a patent for design seeking concurrent protection of colors is filed, a drawing or photograph in color shall be submitted in two copies.
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