Does not allow use of non-mainstream user name.

不允许使用非主流用户名。

youdao

Those who follow Android closely know, but the average, mainstream user who simply buys a phone and wants a good operating system needs to be better informed.

那些紧跟安卓资讯的人会知道，但是一般来说，那些只是买了手机而且想要一个好的操作系统的主流用户则需要更好的告知这些区别。

youdao

Ubuntu offers a look and feel familiar enough for any mildly savvy user to get comfortable with, but not familiar enough outcompete Windows with mainstream users.

Ubuntu提供了一个外观和感觉让任何有点悟性的用户相当熟悉满意，但却不足以在与Windows竞争中亲近主流用户。

youdao

If they know they are going to be focused on the mainstream business end-user, not on the IT geeks, the way they are going to have to test the product is going to be different.

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Today, Tumblr is just starting to monetize its traffic, with mainstream advertisers still worried about the user-generated content next to which they might appear.

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According to the several online reports, Intel has slashed the prices of its microprocessors by over 10% to achieve mainstream pricing which would help increase user adoption of Ultrabooks.

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