2 sentences

1. 在纸上做笔记的坏处是什么？

   zài zhǐ shang zuò bǐ​jì de huài​chu shì shén​me?

   What are the disadvantages of taking notes on paper?

   Source: AI Challenger 2017

2. 这不是一个有保证的解决方案，但它通常起作用，并没有坏处。

   zhè bù​shì yī​ge yǒu bǎo​zhèng de jiě​jué fāng'àn, dàn tā tōng​cháng qǐ zuò​yòng, bìng méi​yǒu huài​chu.

   This is not a guaranteed solution, but it usually works and it does no harm.

   Source: CCMatrix