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『如何建立夥伴間的向心力?』256Please respect copyright.PENANAobP2nyznFb
256Please respect copyright.PENANAgq0xleKM0B
有共同敵人。256Please respect copyright.PENANAnSrwS1FzlY
256Please respect copyright.PENANAhnU0U4C1nB
只要出現共同敵人(比如腦殘主管、白癡同學),256Please respect copyright.PENANAPi1ABJvFRB
通常都很有向心力。