So, we've been testing this with deaf people now, and it turns out that after just a little bit of time, people can start feeling, they can start understanding the language of the vest.
现在我们正在听障人士身上进行测试， 结果表明，经过很短的时间， 人们就开始感觉到 他们能够开始理解 背心的语言了。