at no charge
US /æt noʊ tʃɑrdʒ/
UK /æt noʊ tʃɑrdʒ/

短语
1.
免费, 不收费
without requiring payment; free of cost
示例:
•
The museum offers admission at no charge on the first Sunday of every month.
博物馆在每月第一个星期日提供免费入场。
•
We will repair your device at no charge if it's still under warranty.
如果您的设备仍在保修期内,我们将免费维修。
在 Lingoland 学习这个单词