| 单词 | in theory | 
| 释义 | in theoryidiom1     —used to say what should happen or be true if a theory is correct  In theory, the reading skills of the students should improve.   2     —used to say that something seems to be true or possible as an idea but may not actually be true or possible  I agree with you in theory, but realistically I don't think we have the time to do that.    | 
	
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