The "+" signs in front of the I calls indicate not addition, but that the factor following the + should be included in the model.

I前的“+”号不是表示加，而是表示+后的因式要包含在模型之中。

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The goal is to allow passengers to converse in a normal speaking voice between front and rear rows while traveling, a small and important factor in a pleasant driving experience.

这么做的目标是在行车状态下，让前排与后排的乘客也能用平常说话的音量交谈，对于愉快的驾驶体验来说，这是一个细微却又至关重要的因素。

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In front of the Iron Curtain across Europe, there are other worrying factor.

在横跨欧洲的铁幕前面，还有其它令人焦虑的因素。

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Nor will it factor in the liquor store in front of which all that shattered glass landed.

BBC: Hurricane Sandy: The hidden costs

Perry, 51, whose female alter-ego often appears in his work told an audience at the museum that he gets most of his ideas "sitting in front of the telly with a beer, watching X Factor".

BBC: Grayson Perry calls art world 'disengaged'

And while Mozilla has certainly made progress on that front, the organization understands that diversifying is an important factor in the future success of the company, first through Thunderbird and more recently through the Firefox OS, a mobile operating system targeted toward users in developing nations.

ENGADGET