Business ads on TV, radio and newspaper provide useful and valuable information about a product or service to target audiences, help them to compare qualities of different products and choose the most cost-effective one.
请问这句target audiences逗号后无连接词为什么可以直接跟help?
Business ads on TV, radio and newspaper provide useful and valuable information about a product or service to target audiences, help them to compare qualities of different products and choose the most cost-effective one.
三个红色的谓语动词并列:提供,帮助和选择。
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