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Similarly , three quarters of a circle is three halves of pi .

同样，圆的四分之三是圆周率π的3个一半。

In relationships , two halves never make a whole .

在关系中，2半永远不能够成为一个整体。

Two halves make a whole .

两个一半成为一个整体。

As a result , husbands and wives think their other halves are more attractive than they really are .

因此，在夫妻双方的眼中，自己的另一半都比实际上更好看。

The ' positive illusion ' theory comes from researchers who asked 70 couples to rate their other halves for attractiveness .

研究者让70对伴侣对他们另一半的外表吸引力打分，得出了这个“积极幻觉”理论。