1. Please send us an original sample.

2. It is below the original sample.

3. Show me the original sample, please.

4. The goods we received were different from the original sample.

5. The goods sent are inferior compared to the original sample.

6. The basic idea is to embed a watermark by adding an echo the original sample.

7. From the gas chromatography[sentence dictionary], report the percentages of limonene and carvone in your original sample and in the fractions following distillation.

8. We expect that the quality be exactly the same as the original sample you've provided.

9. On examination we found that the goods do not agree with the original sample.

10. The are not up to par. They are inferior compared to the original sample.

11. We found out that shipping sample and preproduction sample are thinner that original sample.

12. Part of the investigation may involve retesting of a portion of the original sample.