1 sentence

1. 生产关系必须适应生产力的发展水平。

   shēng​chǎn​guān​xì bì​xū shì​yìng shēng​chǎn​lì de fā​zhǎn shuǐ​píng.

   Relations of production must adapt to the level of development of productive forces.

   Source: Dong Chinese Dictionary