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SSS 2010-09-10

时间:2010-10-08 05:39来源:互联网 提供网友:xn0006   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute?

Bookshops and DVD stores are closing up. No surprise, because who would pay more at the store when you can get it cheaper online? Well, a bunch of Caltech undergrads, that's who.

Researchers found that the students were willing to pay 50 percent more for just about anything—DVD’s but also potato chips, Snickers bars, mugs—as long as the item was in front of them, as opposed to just the item’s image or text description. That study appears in the American Economic Review.

The researchers thought some sort of Pavlovian response might be at play—even though they didn't just test with foods—because they say seeing a trinket or a snack within reach makes you want to grab1 it and handle it or eat it. So they showed candy and chips to the subjects once more, but out of reach behind plexiglass. Under those conditions, the students' desire for the snacks diminished2, as if they’d merely seen an image or description.

So next time you're stuffed3 and the waiter wheels around the dessert cart, know that the odds4 are against you. Just cross your fingers that the chocolate cake's under a glass dome5, to help you resist the urge.

Thanks for the minute. For Scientific American’s 60-Second Science. I'm Christopher Intagliata


点击收听单词发音收听单词发音  

1 grab ef0xd     
vt./n.攫取,抓取;vi.攫取,抓住(at)
参考例句:
  • It is rude to grab a seat.抢占座位是不礼貌的。
  • The thief made a grab at my bag but I pushed him away.贼想抢我的手提包,但被我推开了。
2 diminished 3817ca7a4a012aea289ac958d1b35849     
减少了的,被贬低的
参考例句:
  • He was found not guilty of murder on the grounds of diminished responsibility. 他未被判谋杀罪是基于精神失常而减轻了刑事责任。
  • The campers' food supply gradually diminished as the days wore on. 随着一天天的过去,露营者的食物逐渐减少了。
3 stuffed c07925943917d17397a704e4a3632ff2     
adj.充满的;饱的v.塞住( stuff的过去式和过去分词 );把…装进;把…装满;(使)吃撑
参考例句:
  • stuffed animals in glass cases 玻璃柜里的动物标本
  • I was stuffed to the gills with chocolate cake. 我嘴里塞满了巧克力蛋糕。 来自《简明英汉词典》
4 odds n5czT     
n.让步,机率,可能性,比率;胜败优劣之别
参考例句:
  • The odds are 5 to 1 that she will win.她获胜的机会是五比一。
  • Do you know the odds of winning the lottery once?你知道赢得一次彩票的几率多大吗?
5 dome 7s2xC     
n.圆屋顶,拱顶
参考例句:
  • The dome was supported by white marble columns.圆顶由白色大理石柱支撑着。
  • They formed the dome with the tree's branches.他们用树枝搭成圆屋顶。
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