经济学是一门研究人类经济行为和现象的学科，它旨在理解经济活动的原理、运行方式以及其对个人、社会和国家的影响。为什么我们要学习经济学呢？以下是对此问题的分析。

首先，学习经济学有助于我们更好地理解社会经济现象。通过学习微观经济学和宏观经济学的基本理论，我们可以更深入地了解市场机制、价格体系、供需关系、货币政策、财政政策等经济要素，从而更好地理解社会经济运行的规律和机制。英文翻译为：Economics is a discipline that studies human economic behavior and phenomena, aiming to understand the principles and operation of economic activities and their impact on individuals, society, and nations. Why do we need to learn economics? The following is an analysis of this question.

Firstly, studying economics helps us better understand socio-economic phenomena. By learning the basic theories of microeconomics and macroeconomics, we can gain a deeper understanding of economic factors such as market mechanisms, price systems, supply and demand relationships, monetary policies, fiscal policies, etc., thereby better understanding the laws and mechanisms of socio-economic operation.

其次，学习经济学有助于我们做出更好的决策。通过学习经济学，我们可以了解到决策的科学性和合理性在很大程度上取决于我们对经济现象的理解和分析能力。学习经济学可以帮助我们掌握经济分析的方法和工具，从而在个人、家庭和企业的决策中做出更加明智的选择。英文翻译为：Secondly, studying economics helps us make better decisions. By learning economics, we can see that the scientificity and rationality of decision-making largely depend on our understanding and analytical abilities of economic phenomena. Learning economics can help us master economic analysis methods and tools, thereby making more informed choices in decision-making for individuals, households, and businesses.

最后，学习经济学有助于我们了解全球经济动态。随着全球化进程的加速，各国之间的经济联系和相互依存程度日益加深。学习经济学可以帮助我们了解全球经济的基本格局和发展趋势，理解国际贸易、国际金融、国际投资等领域的运行规则和机制，从而更好地把握国际经济发展的机遇和挑战。英文翻译为：Finally, studying economics helps us understand global economic trends. With the acceleration of globalization, economic connections and interdependence between countries are increasing. Learning economics can help us understand the basic structure and development trends of the global economy, understand the rules and mechanisms of operation in areas such as international trade, international finance, and international investment, thereby better grasping the opportunities and challenges of international economic development.