1. To a large extent, they resulted from a unique historical background that cannot be endlessly reproduced.
2. The pomp of music in the Sui and Tang dynasties cannot be reproduced today.
3. There will be serious implications if similar or even stronger rules are reproduced in the TPP.
4. He also cautioned that it's not clear whether the new mouse results can be reproduced in people.
5. Simply because prints can be easily reproduced or copied, they are not an attractive investment.
6. And it's simply not known whether the mouse results can be reproduced with human cells.