2 sentences

1. 这家书店专营少儿读物。

   zhè jiā shū​diàn zhuān​yíng shào'ér dú​wù.

   This bookstore specializes in children's books.

   Source: Dong Chinese Dictionary

2. 在那个年代，铁路和邮政等事业都由国家专营。

   zài nà​gè nián​dài, tiě​lù hé yóu​zhèng děng shì​yè dōu yóu guó​jiā zhuān​yíng.

   In those days, industries like railways and postal services were state-operated monopolies.

   Source: Dong Chinese Dictionary