他推测说，如果假设鸟类和人类看东西的眼光相似，那么它们这样排列的目的可能是为了造成一种使院子显得更小，而自己显得更高大的假象。
He speculates that, assuming birds see things in a similar way to humans, the design could create an illusion that makes the court look smaller and males look bigger.
一个更稀奇的推测说，萨科奇先生对于其外祖父的祖国有一种天然的同情，他的外祖父是来自塞萨洛尼基的犹太人。
A more fanciful theory is that Mr. Sarkozy has a natural sympathy for the country that was home to his maternal grandfather, a Jew from Thessaloniki.
自然界未必留意科学推测，“他说。”
"Nature doesn't necessarily heed the speculation of science," says Alvarez.
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