单项选择题
A. 贵重金属里包括黄金、白银和货币。 B. 诸如黄金和白银等这类贵重金属曾经作为货币使用过。 C. 贵重金属里的黄金、白银都被货币所替代。
A. a language of businessB. your sales figures, your costs, and your profitsC. Both A and B
A. how much money you’ve earned or lost B. pages full of tables and numbers C. strange dollar amounts or boring numbers