policy selection的用法和樣例：
例句
- The demand-and-supply-curve framework is the main geometric tool that will be used in analyzing trade policy options.
供求曲線(xiàn)的結構是用于分析貿易政策選擇的主要幾何圖形工具。 - These changes make up new circumstances of political culture, which in turn affect policy choice of CCP.
這些轉變構成了新的政治文化環(huán)境，反過(guò)來(lái)又影響著(zhù)執政黨的政策選擇。
