policy evaluation短语⁵⁵⁰³⁶ 基本例句 经政策评价 In the link of policy evaluation, there are some problems as follows: imperfect subject organization system, imperfect subject mechanism, and difficulty to measuring object goals. 在评估环节中，存在评估主体组织体系不健全、机制不完善，客体目标的难以衡量等问题；591-lw