Poverty is a concrete concept.
贫困又是一个具体概念。
The concept did not come up with a concrete form until the mid 1960's.
19世纪60年代中期之前，这一概念还没有以具体的形式产生。
The focus of this concept is the direct physical transfer of concrete objects.
予授概念的核心是客观实体的直接的物理性传递。
The focus of this concept is the direct physical transfer of concrete objects.
予授概念的核心是客观实体的直接的物理性传递。
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