problems concerned是什么意思 problems concerned怎么读
problems concerned的用法和样例
- This paper makes a systematic explanation on the relative problems.
本文就相关问题做了较为系统的说明。 - Adult drink-related problems cost the British economy billions every year.
成年人饮酒的相关问题每年要花费英国几十亿的钱。
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