When placed on the ground, baits should be situated on small paper cards or other flat, light-colored surfaces, or in test-tubes or vials.

诱饵放在地上时，应放在小纸卡上或其它平坦的浅色表面上，或放在试管或小瓶子里。

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When I looked at the grade on my math paper my jaw almost dropped to the ground.

当我看到我的数学卷子上的分数时，我的下巴几乎掉到了地上。

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So it's really a training ground for the final paper, and we have found that people don't succeed in the course in the final paper without the training they get in section discussion, which is why section participation is worth ten percent of your grade.

所以讨论课也是为期末测试而训练的一个基础部分,我们曾发现没有在讨论课上的训练学生是没法,通过期末考试的，这也是为什么讨论课,的出勤率占你们分数的百分之十的原因。

耶鲁公开课 - 旧约导论课程节选

Thus, a white paper is a safer middle ground because it speaks in terms of hypotheticals.

FORBES: UPDATED: Six Key Points Regarding the DOJ Targeted Killing White Paper

Nearly a quarter of us would be willing to pay five bucks a month for an online version of our local paper if the printing presses ground to a halt.

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This talk of passion coupled with all the curvy and angular lines could lead one to suspect that there's a certain randomness to Gehry's structures, exemplified in an episode of The Simpsons in which Gehry builds a concert hall to mirror a crumpled piece of paper he finds on the ground.

FORBES: Magazine Article