我司将以成本价的2倍收取开发费用的翻译：We will cost twice times charge development fees 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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We will cost twice times charge development fees

I will take charge of by the cost price 2 time of collection development cost

I will be charged at cost price 2 times the cost of development

We will cost twice times charge development fees