A SUNFLOWER is a sunflower. A mobile phone is a mobile phone. But can you combine the two to do something for your local environment?

• 大家都知道,向日葵和手机,一个是植物,一个是机器,二者是截然不同的。但大家有没有想过利用这两样东西为当地的环境保护做些事情呢?