以下是英文的詳細解釋，幫助妳詳細理解。
The amount of money that a company actually receives during a specific period, including discounts and deductions for returned merchandise. It is the "top line" or "gross income" figure from which costs are subtracted to determine net income
Asset 指的是資產，是個人或壹家企業擁有、具有經濟價值的任何物品。資產也是資產負債表上的壹個重要項目，顯示公司擁有的價值。
英文解釋：
A resource with economic value that an individual, corporation or country owns or controls with the expectation that it will provide future benefit.