鉴于穴居人一般都居住在洞口附近，因此，拉斯科岩洞许多代穴居者隐藏他们的艺术作品，其中必定存在某些原因。

Since cave dwellers normally lived close to entrances, there must have been some reason why so many generations of Lascaux cave dwellers hid their art.

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一般庭院里的家具放在烧烤架子附近，这就意味着离木炭和火比较近。

The patio furniture is usually near a barbecue pit, meaning charcoal and fire are nearby.

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但是，海鸥的寿命一般可以长达25年，加上附近的垃圾填埋场和棒球场里，有无穷的食物来源，她说，他们可以做的也就只有这么多了。

But gulls can live up to 25 years and with an endless food source at nearby landfills and baseball parks, she says there's only so much they can do.

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These foods are heavily marketed, they tend to be sold in schools, there tend to be mini markets right outside the schools so people can get them on the way to and from schools at many places, and this is the food environment.

这些食品非常热销,一般在学校附近有售,学校外面一般都有小型超市,这样人们就可以在上学放学路上买到它们,这就是所谓的食物环境

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选