4 sentences for 根本 (gēn​běn — fundamental)

1. 我们需要从根本上解决这个问题。

   wǒ​men xū​yào cóng gēn​běn shàng jiě​jué zhè​gè wèn​tí.

   We need to solve this problem fundamentally.

   Source: Dong Chinese Dictionary

2. 凡事若不究其本原，很难从根本上解决问题。

   fán shì ruò bù jiū qí běn yuán, hěn nán cóng gēn​běn shàng jiě​jué wèn​tí.

   If you don't look into the root cause of a matter, it's hard to solve the problem fundamentally.

   Source: Dong Chinese Dictionary

3. 这位年轻人一直将诚实守信奉为做人的根本。

   zhè wèi nián​qīng​rén yī​zhí jiāng chéng​shí shǒu​xìn fèng wéi zuò​rén de gēn​běn.

   This young man has always regarded honesty and trustworthiness as the foundation of his life.

   Source: Dong Chinese Dictionary

4. 生产力是社会发展的根本动力，决定了生产关系的变革。

   shēng​chǎn​lì shì shè​huì fā​zhǎn de gēn​běn dòng​lì, jué​dìng le shēng​chǎn guān​xi de biàn​gé.

   Productivity is the fundamental driving force of social development and determines the transformation of production relations.

   Source: Dong Chinese Dictionary