I'm actually wearing the device right now and we've sort of cobbled it together with components that are off the shelf -- and that, by the way, only cost 350 dollars at this point in time.
我现在正佩戴着 我们其实是把市面上常见的 一些组件组装在了一起。 顺便提一下，目前这个设备 的成本是350美元。