What effect do emotional problems have on learning ability?
情绪问题对学习能力会产生什么样的影响呢？
What are the biggest problems in learning another language?
学习另外一种语言，最大的问题是什么？
What are the biggest problems in learning another language?
进修别的一种语言，最大的不懂的题目是啥子？
What are the biggest problems in learning another language?
进修别的一种语言，最大的不懂的题目是啥子？
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