translation.en: So I'm quickly going to show you, since I'm running out of time, in terms of how much it costs for us to manufacture, the biggest idea was roll-to-roll manufacturing, so we built this out of 50 cents of parts and costs.
translation.zh: 现在我要快点给你们展示一下， 因为我快没时间了， 关于我们花多少成本来生产， 最好的方式是卷式生产方式， 我们每造一个只要花50美分。