2 sentences

1. 它只是一个纸板箱。

   tā zhǐ​shì yī​ge zhǐ​bǎn xiāng.

   It's just a cardboard box.

   Source: AI Challenger 2017

2. 纸板由纸制成，这使其易受水损害。

   zhǐ​bǎn yóu zhǐ zhì chéng, zhè shǐ qí yì shòu shuǐ sǔn​hài.

   Cardboard is made of paper, which makes it susceptible to water damage.

   Source: CCMatrix