介词短语
中文翻译：在
同义词：
['on the idea of', 'at the thought of例句：1. We decided to meet at the idea of a picnic in the park.（我们决定在公园里野餐的想法上见面。）2. The project was cancelled at the idea of saving money.（项目因为节省资金的想法而被取消。）3. He proposed a new idea at the idea of solving the problem.（他提出了一个解决该问题的新想法。）']
例句：
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1. We decided to meet at the idea of a picnic in the park.
我们决定在公园里野餐的想法上见面。
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2. The project was cancelled at the idea of saving money.
项目因为节省资金的想法而被取消。
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3. He proposed a new idea at the idea of solving the problem.
他提出了一个解决该问题的新想法。