Well duh, you may say. But smell and taste can serve another subtle function too, Underhill notes. "They get your saliva glands going, and that makes you hungry.

你可能会觉得这不错，其实，人的嗅觉和味觉还有另外微妙的功能，"昂德希尔指出，“这些手段是在刺激你的唾液腺，让你感到肌饿。

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"Whether the volunteers like the flower scent or not didn't matter," Hersh says, "Some reported that they hated the smell, but they still were more likely to buy the shoes in the scented room."

“不管志愿者是否喜欢花的香味，”赫什说。“一些人表示他们讨厌这种气味，但他们在有香气的房间里仍然更有可能会买鞋。”

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Strangely, some people find that they can smell one type of flower but not another.

奇怪的是，有些人发现他们能闻到一种花的香味但闻不到另一种。

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But their excellent sense of smell leads them to food.

VOA: special.2011.03.15

So colours can be seen. Smells can't be seen, but of course, smells, you know, the smell of coffee can be sensed through the five senses.

颜色可以看得见，味道看不见，但是当然了，味道嘛，咖啡的味道能通过,其他的感官感知到。

耶鲁公开课 - 死亡课程节选

Well, in fact, he pretty well was ready to turn himself into a king, but he wouldn't use that word, because it had such a terrible smell.

事实上,他已经基本上 准备要登基称王,但他不会用那个词,因为这个词声名狼藉

耶鲁公开课 - 古希腊历史简介课程节选

But I smell a whiff here of stereotyping appearing here about what the Jockey Club is all about.

BBC: Cornelius Lysaght

The sky beyond is washed with strokes of cobalt and cerulean blue, and a faint but perceptible smell of aniseed and wild garlic hangs in the air.

BBC: The three colours of Ibiza

The sign is so small you'll miss it if you're not paying attention, but the smell of dough rising will no doubt lead you in the right direction.

CNN: Portland bewitches travelers, rain or shine