单词学习：underperformer 名词
underperformer
/ˌʌndərpərˈfɔːrmər/
表现不佳者；业绩低于预期的人或事物
The manager decided to provide extra training for the underperformer in the team, and 顾老师 offered to mentor him personally.
经理决定为团队中表现不佳的员工提供额外培训，顾老师主动提出亲自指导他。
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