2 sentences

1. 你的环境在你的发展中起着巨大的作用。

   nǐ de huán​jìng zài nǐ de fā​zhǎn zhōng qǐ zhe jù​dà de zuò​yòng.

   Your environment plays a huge role in your development.

   Source: CCMatrix

2. 在许多发展中国家，最大的问题是缺乏合格的教师。

   zài xǔ​duō fā​zhǎn​zhōng​guó​jiā, zuì​dà de wèn​tí shì quē​fá hé gé de jiào​shī.

   In many developing countries, the biggest problem is a lack of qualified teachers.

   Source: CCMatrix