3 sentences

1. 但水果不能成为主食。

   dàn shuǐ​guǒ bù​néng chéng​wéi zhǔ​shí.

   However, fruit cannot be a staple food.

   Source: CCMatrix

2. 减肥时，很多人都会选择少吃或不吃主食。

   jiǎn féi shí, hěn​duō rén dōu​huì xuǎn​zé shǎo chī huò bù chī zhǔ​shí.

   When losing weight, many people choose to eat less or not eat staple food.

   Source: CCMatrix

3. 橙汁是世界上最受欢迎的果汁，长期以来一直是早餐的主食。

   chéng​zhī shì shì​jiè​shang zuì shòu huān​yíng de guǒ​zhī, cháng​qī​yǐ​lái yī​zhí shì zǎo​cān de zhǔ​shí.

   Orange juice is the most popular fruit juice worldwide and has long been a breakfast staple.

   Source: CCMatrix