在这篇论文中，加拿大萨斯喀彻温省大学的心理学研究者指出：这一习惯可能是在婴儿时期习成的，因为婴儿会倾向于做向右转动的动作。

In their paper, psychology researchers from the University of Saskatchewan in Canada point to the theory that this habit could be learned in infancy, as babies tend to make more rightward head turns.

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萨斯喀彻温省大学的一位经济学家richard Gray认为，同以往农场衰落时期相比，当前的农场经济萧条可能不会产生影响深远或持续长久，因为生物燃料现在正同粮食和能源价格密切相关。

The bust, when it comes, may not be as deep or as long as previous farm slumps because biofuels now link grain and energy prices, says Richard Gray, an economist at the University of Saskatchewan.

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