2 sentences

1. 当前的供需状况非常稳定。

   dāng​qián de gōng​xū zhuàng​kuàng fēi​cháng wěn​dìng.

   The current supply and demand situation is very stable.

   Source: Dong Chinese Dictionary

2. 由于供需关系的变化，市场价格在一定范围内浮动。

   yóu​yú gōng​xū guān​xi de biàn​huà, shì​chǎng jià​gé zài yī​dìng fàn​wéi nèi fú​dòng.

   Market prices fluctuate within a certain range due to changes in supply and demand.

   Source: Dong Chinese Dictionary