So, studies with police officers using reaction time in split-second choices on who to shoot find that your stereotypical attitudes play a huge role in who you're likely to shoot when they're holding an object in their hand that's unclear.

一些针对警察的研究,用霎间的反应时间让他们作出选择,应该向谁开枪，研究发现这些刻板态度,能极大的影响你选择向谁开枪,当他们手里拿着不明物体时。

耶鲁公开课 - 心理学导论课程节选

The extruders, naturally, melt the plastic down, while the heat from the platform plays a role in keeping the object in place as it's printed -- or, more precisely, the lattice work foundation that object is built on top of.

ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?

It's difficult for results-oriented American sports fans to grasp, but for many soccer fans, the object of the game is never simply to win but to win beautifully and to play a role in the evolution of the game as an organic work of art.

WSJ: La Roja: How Spain Became the World's Best Soccer Team