That is the biggest drawback to solar energy, the problem of what do you do in cases where the sun's light is weak or virtually non-present.

这是太阳能的最大缺陷——当太阳光变弱或者不存在时，人们该怎么解决。

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Notably, brain activity was very similar for thinking about all of the non-present times (the imagined past, real past, and imagined future).

尤其引人注意的是，当测试者想象所有非当前时刻的事件时，其脑部活动极为类似(想象中的过去，真实的现在，想象中的未来)。

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This paper investigates "non-present" uses of the present tense of English verbs and discloses the spatial temporal conceptual metaphor beneath such a linguistic phenomenon.

本文探讨英语动词现在时部分表示“非现在”的用法，揭示出该语言现象背后隐藏的时空隐喻。

youdao

They played one in court Tuesday. (Speech) In this October 1991 speech, Karadzic warns the non-Serbs present not to try and secede from Yugoslavia or they will end up on a road to hell from which they may disappear.

VOA: standard.2009.10.27

However, the Court found a commerce clause problem with non-present sellers being subject to sales tax collection due to the existence of thousands of jurisdictions with non-uniform sales tax rules.

FORBES: After Twenty Years Congress Still Has Not Acted On Sales Tax

It makes it indisputable that a body covering similar to feathers was present in non-avian (flightless) dinosaurs.

BBC: Dinosaur was covered in feathers

New features like 4G LTE have been present in non-iOS devices for some time now, and the new iPhone camera and camera features, including panoramic photos, are late to the game.

FORBES: Apple Plays Catch-Up With 'iPhone 5' But Still Comes Up Short