like: das Original → →
das Original ☊ 
nguyên bản ☊ 
☊ The thieves replaced the original painting with a copy. ☊ copy ☊
The original manuscript has been lost. ☊ original ☊
This painting is a copy; the original is in Madrid. ☊ original ☊
Send out the photocopies and keep the original. ☊ original ☊
I'll send the original to you by post. ☊ post ☊