Doctors are free to prescribe drugs for USES that have not been approved, but drug companies are prohibited by law from marketing drugs for these so-called "off-label" USES.
医生有处方药物使用于未批准用途的自由，但是法律禁止制药公司销售药品用于标签外的用途。
2
The representative of China stated that China prohibited export of narcotic drugs, poisons, materials containing state secrets, precious and rare animals and plants.
中国代表表示，中国禁止出口麻醉品、毒品、含有国家秘密的资料及珍稀动植物。
3
Prophylactic use of veterinary drugs is prohibited.