It is the fact that the aim is thought of as more activity in the same line, without defining continuity of action in reference to results produced. 约翰·杜威.民主与教育.
Dr. Koch, who had srved in the Franco-Prussian War, succeeded in 1876 in obtaining pure cultures of this bacillus and in defining its relation to the dis ease. 李贝.西洋科学史.
You looked white as the wall; but you only spoke of 'something,' not defining _what_. 夏洛蒂·勃朗特.维莱特.
Psychologically, the defining characteristic of play is not amusement nor aimlessness. 约翰·杜威.民主与教育.
This subject matter meant so much that it vitalized the defining and systematizing brought to bear upon it. 约翰·杜威.民主与教育.
But let me remark, that in defining justice you have yourself used the word 'interest' which you forbade me to use. 柏拉图.理想国.