So with that, I'd like to invite onstage Evan Grant, who is one of last year's speakers, who's kindly agreed to help me to demonstrate what we've been able to develop.
我现在想邀请我们去年的 一位演讲者Evan Grant，上台来。 他很客气的同意了 来帮助我们来展示 我们的研究发展。