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- I observed nothing on the subject. 对这个问题，我没有发表什么看法。
- I have no pretence to be an expert on the subject. 我并不自命是这方面的专家。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- He do not throw much fresh light on the subject. 关于这个问题他没有提供很多新的见解。
- That's all there is to be said on the subject. 关于这问题，要说的就这么多。
- His book is the best on the subject after mine. 他的书对这一问题的论述是最好的，仅次于我的书。
- They visited the show but observed nothing on it. 他们参观了展览, 但没有发表任何看法。
- He yapped on the subject for hours. 他就那个问题罗嗦了好几个钟头。
- I feel unqualified to speak on the subject. 我自觉无资格就此问题发言。
- This is the standard textbook on the subject. 这是这一科的权威性课本。
- He refused to commit himself on the subject. 关於那个问题，他拒绝表明自己的态度。
- observe nothing on the subject 对这个问题没有发表什么看法
- There is nothing on the blackboard. 黑板上什么也没有。
- If there are time, I can dilate on the subject. 要是有时间，我可以详细谈谈这个问题的。
- There's a great need for a new book on the subject. 非常需要有一本这方面的新书。
- His memory was completely blank on the subject. 关于这个题目，他已完全丧失记忆。
- He has read many books on the subject. 他看过许多关于这一方面的书。
- I won't presume to advise you on the subject. 我不敢就这个题目对你作任何建议。
- There was nothing on the horizon except the Alps. 远处，只望见阿尔卑斯山。
