新科技是传统科技默认的替代品!implicit 默认, 指不用清楚地表达出来还会有人明白的意思, 例如,implicit agreement. 默认同意alternative是名词替代品或选择, 例如1. 作为替代品的例句, Many people believe that the possession of material goods is the alternative to happiness. 很多人认为物质上的拥有是幸福的替代品; 2. 作为选择的例句, What are the alternatives if I don't want to go to jail? 我不想入监牢还有什么的其它选择吗?