recommendation for的用法和样例：
例句
- The hardest thing is writing a recommendation for someone we know.
最难的事情，是为一个认识的人写介绍信。
recommendation for的相关资料：
临近单词
recommendation
recommendation of editorial board member
recommendation against unnecessary travel
recommendation fertilizer by soil testing
Recommendation Letter for Studying Abroad
Recommendation of Classic Tour Itineraries
Recommendation from Department of Health.
recommendation under an official's guarantee
recommendation of individualized information
recommendation with accompanying letter draft
recommendation system of personal information
