4 sentences for 運營 (yùn​yíng — to be in service)

1. 目前，北京地铁有22条运营线路。

   mù​qián, běi​jīng dì​tiě yǒu22 tiáo yùn​yíng xiàn​lù.

   Currently, there are 22 subway lines operating in Beijing.

   Source: CCMatrix

2. 巴士每周7天运营，包括节假日。

   bā​shì měi​zhōu7 tiān yùn​yíng, bāo​kuò jié​jià​rì.

   The bus operates 7 days a week including holidays.

   Source: CCMatrix

3. 公交车一般从早上5点运营到午夜。

   gōng​jiāo​chē yī​bān cóng zǎo​shang5 diǎn yùn​yíng dào wǔ​yè.

   Buses generally operate from 5am until midnight.

   Source: CCMatrix

4. 中国已经拥有数种全球最快的运营列车。

   zhōng​guó yǐ​jing yōng​yǒu shù​zhǒng quán​qiú zuì kuài de yùn​yíng liè​chē.

   China already has several of the world’s fastest operating trains.

   Source: CCMatrix