2 sentences

1. 湿地为什么那么重要？

   shī​dì wèi​shén​me nà​me zhòng​yào?

   Why are wetlands so important?

   Source: CCMatrix

2. 我们为什么要保护湿地？

   wǒ​men wèi​shén​me yào bǎo​hù shī​dì?

   Why should we protect wetlands?

   Source: CCMatrix