Next, Dr. Mehl wants to see if people can actually make themselves happier by having more substantive conversations.

接着，梅尔博士想要知道，如果人们能够（有意）做更多实质性的交流的话，这能否让他们更加快乐。

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Many conversations were more practical anddid not fit in either category, including questions about homework or who wastaking out the trash, for example, Dr. Mehl said.

很多谈话的内容都很实际，很难归入这两大类之中。 例如，询问家庭作业，询问谁正在倒垃圾等等。

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