经济理论提供了一套分析金融体系的原则。

Economic ___theory provides a set of principles for analyzing financial systems.

博弈论在经济学和政治学中有许多应用。

Game ___theory has numerous applications in economics and political science.

现代科学理论建立在经验证据和逻辑推理之上。

Modern scientific ___theory is built upon empirical evidence and logical reasoning.