Laughter is far more general than just a response to humour: it is a social glue that we use in all sorts of ways to bind ourselves together.

笑比对一句幽默的的反应广泛的多：笑是我们跟大家以各种方式联系起来的社会粘合剂。

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Despite all the humour, there is certain to be a general welcome for a pope from South America which has sometimes been dubbed "the forgotten continent".

BBC: Wry Brazilian welcome for Argentine Pope