名词
中文翻译：金额
同义词：
['value', 'amount', 'sum']
例句：
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1. The total amount of the transaction is $500.
交易总额为500美元。
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2. The company's annual revenue has increased by 30%.
公司的年收入增加了30%。
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3. We need to calculate the total number of students in the class.
我们需要计算班上学生总数。