nationwide public support services system的用法和樣例：
例句
- We will improve vocational training and employment services.
加強職業(yè)培訓和就業(yè)服務(wù)體系建設。 - The keystone of the relevancy of policy and service system was systematically considered and analyzed.
通過(guò)雙層緊迫性排序模型的運算，可對政策和服務(wù)體系各因素進(jìn)行關(guān)聯(lián)性的重點(diǎn)分析和系統思考。
