2 sentences

1. 在食物链中，绿色植物是主要的生产者。

   zài shí​wù​liàn zhōng, lǜ​sè zhí​wù shì zhǔ​yào de shēng​chǎn​zhě.

   In the food chain, green plants are the primary producers.

   Source: Dong Chinese Dictionary

2. 生产者必须根据市场需求来制定生产计划。

   shēng​chǎn​zhě bì​xū gēn​jù shì​chǎng xū​qiú lái zhì​dìng shēng​chǎn jì​huà.

   Producers must formulate production plans based on market demand.

   Source: Dong Chinese Dictionary