3 sentences for 底層 (dǐ​céng — bottom layer)

1. 餐厅位于底层，只提供早餐。

   cān​tīng wèi​yú dǐ​céng, zhǐ tí​gōng zǎo​cān.

   The restaurant is located on the first floor and serves breakfast only.

   Source: CCMatrix

2. 欢迎来到食物链的最底层。

   huān​yíng lái dào shí​wù​liàn de zuì dǐ​céng.

   Welcome to the bottom of the food chain.

   Source: UM-Corpus: Subtitles

3. 与其他传统公司不同，我们的老板处于食物链的最底层。

   yǔ qí​tā chuán​tǒng gōng​sī bù​tóng, wǒ​men de lǎo​bǎn chǔ​yú shí​wù​liàn de zuì dǐ​céng.

   Unlike other traditional companies, our boss is at the bottom of the food chain.

   Source: CCMatrix