Sometimes it appears as a crescent, sometimes it doesn't appear at all , its just black.

有时以新月形态出现，有时又变成全黑，完全看不见。

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Low fidelity mockups, often called wireframes, are intentionally basic, often consisting of just black and white shapes and text.

低精度界面原型，也叫线框图，被有意设计成只包含黑白的图形与文字。

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Burning the forest just once can leave behind enough black carbon to keep the soil fertile for thousands of years.

森林仅仅燃烧一次就能留下足够的黑碳，来保持数千年土壤肥沃。

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But that is just what scientists are planning to do deep below the Black Hills in South Dakota.

VOA: special.2009.07.21

And of course, since it's not just black and white, good life or bad life, but various shades of gray, better lives and worse lives, what's the yardstick by virtue of ? which we measure better and worse lives?

因为不是单纯的黑白，好或坏的人生，两者是混杂的，更好的人生和更坏的人生，衡量更好和更坏人生的,道德标准是什么？

耶鲁公开课 - 死亡课程节选

And then he makes some comments about how,well, ; he could never pick cotton fast enough; he's just not able to do it as black men are.

于是他对采棉花进行了一些评价，他觉得自己永远没法采摘的够快;,没法像那些黑人一样迅速。

耶鲁公开课 - 1945年后的美国小说课程节选

Or just Black Ducks that will be unpleasant to deal with but dealt with regardless?

FORBES: Sometimes It's Just A Black Duck

Rather than focus on just black-box medicines, companies can also develop tools that help people better understand and manage their condition.

FORBES: Three Imperatives to Transform Innovation in Pharma

It's a smart use of materials to make the body seem a little more expensive and tactile given that it's just black plastic.

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