translation.en: So when a team was working on a new vision screening program in India, they wanted to understand what the aspirations and motivations were of these school children to understand how they might play a role Conversion Sound has developed a high quality, ultra-low-cost digital hearing aid for the developing world.
translation.zh: 所以当一个团队正致力于一个在印度的新的视力检查项目时， 他们想要了解这些学校的孩子们的心愿 和动机， 了解为他们父母检查视力的时候 他们会扮演怎样的角色。 声音转换已经发展成一种高质量， 超低成本的数字助听器， 为发展中国家专门设计的。