作为对大学毕业生分配制度的改革，双向选择制度意味着，毕业生可以选择用人单位, 用人单位也可以选择毕业生, 双方均出于自愿。

The two-way choice system as a reform of the present job assignment system for college graduates means that graduates could choose employers and employers could choose graduates, both of their own free will.