中文：

金融是指与货币、银行、保险、证券等相关的一系列经济活动。它是现代经济体系中最重要的组成部分之一，主要负责实现资金从储蓄者向投资者、从投资者向企业的转移，从而促进经济的发展和增长。

金融的主要功能包括：提供存款、贷款、投资、保险等金融服务；管理个人和企业的财富；降低交易成本，提高资源配置效率；为企业提供融资渠道，促进企业扩张和发展；以及为国家提供货币政策，稳定经济运行等。

金融市场是金融活动的重要场所，包括股票市场、债券市场、期货市场、外汇市场等。这些市场为企业提供了融资渠道，也为投资者提供了投资机会。此外，金融市场还是价格发现机制的重要场所，通过市场供求关系反映出来，为货币政策制定者提供参考。

总的来说，金融在现代经济体系中扮演着至关重要的角色，它为经济发展提供了强有力的支撑和保障。

英文：

Finance refers to a series of economic activities related to money, banking, insurance, securities, etc. It is one of the most important components of the modern economic system, mainly responsible for the transfer of funds from savers to investors, from investors to enterprises, thus promoting economic development and growth.

The main functions of finance include providing financial services such as deposits, loans, investments, and insurance; managing the wealth of individuals and enterprises; reducing transaction costs and improving resource allocation efficiency; providing financing channels for enterprises and promoting their expansion and development; and providing monetary policy for countries and stabilizing economic operations.

The financial market is an important place for financial activities, including the stock market, bond market, futures market, foreign exchange market, etc. These markets provide financing channels for enterprises and investment opportunities for investors. In addition, the financial market is also an important place for price discovery mechanisms, reflecting through market supply and demand relations, providing reference for monetary policy makers.

Overall, finance plays a crucial role in the modern economic system, providing strong support and security for economic development.