what ** finance什么是金融

what ** finance什么是金融？a-finance的英文解释大致如下：
finance ** a field that deals with the allocation of assets and liabilities over time under conditions of certainty and uncertainty.finance can also be defined as the science of money management.a key point in finance ** the time value of money,which states that purchasing power of one unit of currency can vary over time.finance aims to price assets based on their r**k level and their expected rate of return.finance can be broken into three different sub-categories:public finance,corporate finance and personal finance.
大意：
金融是处理资产和负债分配的领域，因不同时间段，其可处于确定性和不确定性条件之下。金融也可以定义为科学的资金管理。金融业的关键点是货币的时间价值，即基于一个货币单位的购买力可以随时间而变化。金融资产定价基于其风险级别和其预期的收益率的目的。金融可以划分为三个不同的子类别:公共财政、企业融资和个人理财。b-金融的汉语词语界定：
金融指货币的发行、流通和回笼，贷款的发放和收回，存款的存入和提取，汇兑的往来等经济活动。金融（fin）就是对现有资源进行重新整合之后，实现价值和利润的等效流通。（专业的说法是：实行从储蓄到投资的过程，狭义的可以理解为金融是动态的货币经济学。