“你可能会发现某种分子被人为控制增长或衰减，但它引起的差异是否能被消费者注意到，这是一个飞跃。”澳洲悉尼大学的戴奥娜。达米安说。

"You could find that a molecule is up or down-regulated, but whether that relates to a consumer noticing a difference is a big jump," says Diona Damian at the University of Sydney, Australia.

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澳洲悉尼的Macquarie大学的Simon Griffith和他同事通过观察鸟类选择伴侣或者使它们结成一对得出上述结论。

Simon Griffith of Macquarie University in Sydney, Australia, and his colleagues monitored the birds as they either chose their mates or were placed in a mating pair.

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