With any social network, adding a contact doesn't necessarily open an otherwise closed communications channel with that person; it merely invites such openings.

对于任何社交网络，“添加好友”并不一定意味着和别人建立尚未开通的交流渠道，它只是提供了一种可能性。

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A broad network will help you find openings on the so-called 'hidden' job market, where positions aren't formally posted but applicants are found through word-of-mouth or referrals.

广泛的人脉会帮助你在所谓的“隐形”就业市场上找到职位空缺。那个市场不会正式公布招聘职位，而是通过口碑或推荐来寻找申请者。

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Also tap friends and family members or your college alumni network to learn about openings.

WSJ: Make a Second Job Work for You

We use social media but we also need to get out of our chairs and actively network, meeting people face to face, carefully researching companies and openings, going on job interviews and following up every lead.

FORBES: Why Most Employees Wish They Had A Different Job

The society said it had decided to get closer to communities and the openings later this year would enable it to "bridge the gaps" in its branch network.

BBC: Principality Building Society's nine new agency offices