短语
中文翻译：在某人的费用上
同义词：
['on behalf of', 'at the expense of']
例句：
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1. We decided to go to thebeach on his expense.
我们决定由他支付去海滩的费用。
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2. He was so proudof his achievement that he decided to giveit to charity on his expense.
他为自己的成就感到骄傲，决定用他的钱捐给慈善机构。
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3. The company is payingfor the new software development on their expense.
公司正在用自己的资金开发新的软件。