Many happy pairs on their honeymoon are in this ship.

这条船上有许多度蜜月的夫妇。

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I raise my glass to the happy pairs, wishing them a long life together.

我为这幸福的一对举杯，愿他们白头偕老。

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Through a study of nearly 1000 pairs of identical and non-identical twins, British and Australian researchers found genes control half the personality traits that make people happy.

英国和澳大利亚科学家通过对将近1000对双胞胎的研究发现，人类的快乐情绪一半是由基因控制的。

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The team, including Nicola Clayton and Nathan Emery, discovered that the eight pairs were happy to cooperate, with some pairs solving the task straight away, others taking a day or two to work out that team-work was the key to getting their nibbles.

BBC: Rooks team up to solve problems