一般来说，常见问法是：Why does the professor mention X? Why does the professor discuss X? Why does the professor talk about X? 也就是说问教授为什么提到X，换句话就是问X和前面观点的关系。
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一般来说，常见问法是：Why does the professor mention X? Why does the professor discuss X? Why does the professor talk about X? 也就是说问教授为什么提到X，换句话就是问X和前面观点的关系。