a quantity of no importance
同义词：nothing??/??nil??/??nada??/??null??/??aught??/??cipher??/??cypher??/??goose egg??/??naught??/??zero??/??zilch??/??zip??/??zippo
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。