7 sentences for 支柱 (zhī​zhù — mainstay)

1. 制造业是该国经济的支柱。

   zhì​zào​yè shì gāi guó jīng​jì de zhī​zhù.

   Manufacturing is the backbone of the country's economy.

   Source: Dong Chinese Dictionary

2. 我们是这个国家的经济支柱。

   wǒ​men shì zhè gè guó​jiā de jīng​jì zhī​zhù.

   We are the backbone of this country's economy.

   Source: OpenSubtitles

3. 农业是那个国家的经济支柱。

   nóng​yè shì nà gè guó​jiā de jīng​jì zhī​zhù.

   Agriculture is the economic pillar of that country.

   Source: Dong Chinese Dictionary

4. 建筑业是国家经济的重要支柱。

   jiàn​zhù​yè shì guó​jiā jīng​jì de zhòng​yào zhī​zhù.

   The construction industry is an important pillar of the national economy.

   Source: Dong Chinese Dictionary

5. 畜牧业是该地区经济的重要支柱。

   xù​mù​yè shì gāi dì​qū jīng​jì de zhòng​yào zhī​zhù.

   Animal husbandry is an important pillar of the region's economy.

   Source: Dong Chinese Dictionary

6. 金融业是这个城市的主要经济支柱。

   jīn​róng​yè shì zhè gè chéng​shì de zhǔ​yào jīng​jì zhī​zhù.

   The financial industry is the city's main economic pillar.

   Source: Dong Chinese Dictionary

7. 石油化工是该城市近年来重点发展的支柱产业。

   shí​yóu huà​gōng shì gāi chéng​shì jìn​nián lái zhòng​diǎn fā​zhǎn de zhī​zhù chǎn​yè.

   The petrochemical industry has been a key pillar industry for the city in recent years.

   Source: Dong Chinese Dictionary