1. There are rare instances when justice almost ceases to be an abstract conception .
    正义几乎不再是抽象概念的情况是很少的。

2. There are rare instances when justice almost ceases to be an abstract conception .
    正义几乎不再是抽象概念的情况是很少的。

3. There are rare instances when justice almost ceases to be an abstract concept.
    在个别情况下，正义不再是一种抽象概念。

4. This is no abstract investigation.
    这决不是抽象的调查。

5. Most roommate conflicts spring from such small, irritating differences rather than from grand disputes over abstract philosophical principles.
    大多数室友的冲突都起因于小小的令人不快的分歧，而不是由抽象的哲学原理上的重大争执引起的。