to say nothing ofThe airfare is pricey, not to mention the cost of food and lodging.
The airfare is pricey, not to mention the cost of food and lodging.
let alone, much less, never mind, still less
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。