restriction condition

例句：

1. 1. The government has set a restriction on the amount of oil that can be imported into the country.
   政府对石油的进口量设定了限制。
2. 2.The company is facing a restriction on its ability to expand its operations in the market.
   该公司面临扩展市场业务的限制。
3. 3. The scientist found that the new drug had a restriction condition that made it difficult to administer.
   科学家发现新药有一个限制条件，使得其难以施用。