同时不用花钱研发产品，又没有广告、促销等费用的翻译：At the same time do not have to spend money on research and development products, there's no advertising, promotions, and other costs 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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At the same time do not have to spend money on research and development products, there's no advertising, promotions, and other costs

Simultaneously does not need to spend the research and development product, also does not have expenses and so on advertisement, promotion

While R&D products don't have to spend money, and at the same time without advertising, promotions, etc.

At the same time do not have to spend money on research and development products, there's no advertising, promotions, and other costs