1 sentence

1. 水是生命之源，但它却不是取之不尽，用之不竭的。

   shuǐ shì shēng​mìng zhī yuán, dàn tā què bù​shì qǔ​zhī​bù​jìn, yòng​zhī​bù​jié de.

   Water is the source of life, but it is not inexhaustible.

   Source: UM-Corpus: Education