Level 4 - Unit 2 - Part 4 Vocabu

Income is money received for work or from investments. For a company to survive, its income needs to be more than its expenses. People who earn a good salary can buy what they need to survive.
收入是工作或投资所得的钱。企业要生存，收入必须大于支出。收入高的人可以购买生活用品。

A receipt is given to you after you have paid for something. A receipt is a proof that you have paid for something. A receipt shows that something has been paid for. After paying for something, be sure to get a receipt.
付钱之后，就会收到收据。收据是你付过钱的证明，表明某物已付过钱。付钱后，一定要有收据。

An invoice is a request for payment. An invoice lists the prices and products being bought. To invoice someone means to give them a bill for products or services. Once an invoice is paid, it can be used as a receipt.
费用清单是一种付款请求，列出了购买的商品及价格。给某人开费用清单是指提供产品或服务的帐单。费用清单一旦付款，就可以当收据使用。

Taxes are what we pay to the government for government services. Taxes pay for many services such as education, police and health care. An income tax is a tax on your income. In some countries, income taxes are very high.
税收是我们支付给政府用于政府服务的费用。税收用于教育、警察和医疗等许多服务。所得税是对你的收入征税。在一些国家，所得税很高。

Interest is what we pay to lenders when we borrow money. If someone lends you money, you pay interest for the use of that money.
利息是我们借钱时付给贷款人的钱。如果有人借给你钱，你要为这笔钱的使用支付利息。