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『如何建立夥伴間的向心力?』265Please respect copyright.PENANAbEnb7dQrwu
265Please respect copyright.PENANADhlVkSf1LR
有共同敵人。265Please respect copyright.PENANAYw7QeZUuh8
265Please respect copyright.PENANAiWpK2EEDYZ
只要出現共同敵人(比如腦殘主管、白癡同學),265Please respect copyright.PENANAl8Z9z2TWLF
通常都很有向心力。