the document was printed at the taxpayer's expense.
文件的印刷费用由纳税人承担。
my friends all had a good laugh at my expense.
我的朋友都觉得拿我开玩笑很有趣。
See main entry:expense
英汉双解词典包含131075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。