Darkness gives me dark eyes with which I grope for brightness.

黑夜给了我一双黑色的眼睛，我要用它去寻找光明。

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The dark night gave me a pair of black eyes, but I use them to look for brightness.

黑夜给了我一双黑色的眼睛，我却用它们寻找光明。

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If there is no image on display monitor, first ensure that the adjustment for brightness and contrast are properly set.

如果显示器没有图像显示，首先确保正确设置亮度和对比度的调节进行正确的设置。

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The Kepler space telescope looks for planets by measuring tiny decreases in the brightness of stars when planets cross in front of them.

VOA: special.2011.02.09

There are front-panel controls for brightness, color, contrast, tint and aspect ratio.

FORBES: Magazine Article

Along the bottom are buttons for brightness (which only appears if you've got the light turned on), page progress (via a slider), text format and additional features.

ENGADGET: Kobo Glo review: another illuminated e-reader lights up the market

Something we also saw on the Helix that'll be carried through to the T431s and X230s is a slight alteration to the function keys -- they'll be the secondary use of hotkeys for brightness, volume and such, rather than the other way around.

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