每日商务英语 第540期:烦恼

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vexation-------烦恼（名词）

英文释义
(noun) Annoyance; anything that bothers or irritates, often in a mild but persistent manner.

例句
During summer mosquitoes can be a common vexation in some tropical regions.
在一些热带地区，夏天的蚊子是一大烦恼。