想一想当一个快乐的人遇见别人时会怎么做，仅仅是保持沉默或者等着别人先向他打招呼？
Think about what an excited person will do when they meet someone. Will she just keep silent or wait for the other person to greet her first?
想一想当一个快乐的人遇见别人时会怎么做，仅仅是保持沉默或者等着别人先向他打招呼？
Think about what an excited person will do when they meet someone. Will she just keep silent or wait for the other person to greet her first?
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