The Byzantines were as secretive as the Chinese, however, and for many centuries the weaving and trading of silk fabric was a strict imperial monopoly.
⇑ Translate the sentence above by Google ⇑
Related: monopoly, fabric
Prev: The monopoly on taxies should be broken up and the numbers of taxies should be determined2 completely by the market.
Next: It was granted a monopoly on joint-stock banking by Parliament in return for giving war loans to the government.