Problem-based
问题导向; 基于问题
🧩 词语组成解析
v. 立基于, 以…为基础（base的过去式和过去分词）
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
He who makes constant complaint gets little compassion.
经常诉苦抱怨，难以博得同情。
Sorry, I don't know. My watch is at home.
对不起，我不知道，我把表放在家里了。