正本

You have the original Silence Dogood letters? Did you steal those, too?

你有沉默杜古德的信正本？那些也是你偷来的？

Compare the copy with the original.

把这副本与正本比较一下。

The Operating License has the original and the duplicate.The original is held by the operator of the taxicar, and the duplicate is reserved by the municipal transport department for check.

营运牌照设正本和副本，正本交租车经营者持有，副本由市运政管理机关保存备查。