观看教程视频(单击“Video”图标)可以做进一步了解操作系统的功能。
Watch tutorial videos (click on the video icon) of what are the things you can do to know about the features of the operating system.
这款新式个人电脑的屏幕上只有六个按钮，能够让不太懂技术的用户上网、发送电子邮件和观看视频，而不需要游走在乱七八糟的桌面图标之间。
The screens of new PCs have just six buttons, allowing technology-shy users to surf the Internet, send emails and watch videos without having to navigate around cluttered desktops.
和应用图标类似，预览视频的海报是用户在产品详情页上看到的第一个元素，所以请确保画面在视觉上是引人注目的，且传达了应用程序的精华。
Like your app icon, your preview poster frame is one of the first elements a user will see on your product page, so ensure the frame is visually compelling and conveys the essence of your app.
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