And you. Well you're just lucky to be here, aren't you? Welcome to the factory.

还有你。你很幸运来到这，对吗？欢迎来到工厂。

Well, good morning! Looks like you are all very excited to be here. Welcome to Google I/O. This year marks our fourth year of this conference.

早上好！看来大家来到这里都很激动啊。欢迎光临Google I/O开发者大会。今年是我们第四次举办这个大会。