朱莉：让我们看看你提到的人们保护自己和家人须知的四个步骤。
Julie: Let's go through the four steps you say that people should go through to protect themselves and their families.
不出1年HTML 5就将得到完全支持，而规范也正在迅速到达稳定状态，现在正是了解一些HTML 5须知的好时机。
With full HTML5 support probably less than a year away, and the specification quickly reaching an unchanging state, this is a great time to look at some things you should know about HTML5.
你必须知道参与者的名字，他们的脚的大小和大概身高。
You have to know the names of participants and their feet size and approximate height.
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