They keep in touch with their members by issuing a quarterly newsletter.
他们印发内部季刊

保持联系。
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The really encouraging thing was that participants all said they felt much more confident about using social media to keep in touch with their grandchildren, who prefer this form of communication to phoning or sending emails.
十分振奋人心的是,参与
们都感觉对使用社交媒体和自己的孙子孙女们沟通更加有自信了,

对
电

发邮件来说,他们的孙子孙女更加喜欢这种沟通方式。