今天我们要学的词是 at no charge. At no charge 意思是免费的,不要钱的。Brown University is providing its students with Microsoft Office 365 ProPlus at no charge. 布朗大学免费向学生提供微软365专业增强版。Apple now offers a new program to replace the faulty sleep/awake button on iPhone 5 at no charge. 苹果公司推出一项新服务,用户 iPhone 5的睡眠/唤醒按钮如果出现问题的话,苹果公司可以为用户免费换新。好的,今天我们学习的词是 at no charge, at no charge, at no charge...