0 the state of having many parts and being difficult to understand or find an answer to -- 错综复杂，复杂性
There are a lot of complexities surrounding this issue. 此事牵涉到许多错综复杂的情况。
A key element of case study analysis is the selection and organization of material to account for the complexities and interactions of the events.
The complexities are undoubtedly greater in other species.
Perhaps they will be unclear in the complexities of particular cases.
Given this, we have the following time complexities in the worst, average, and best cases.
The field of history offers less simple 'answers' rather than its own series of complexities, which certainly reward further reflection.
When the data of interest are longitudinal, these complexities are multiplied.
However, because of complexities in the study design, not all children had data available for all waves.
Newer methods in recent decades have allowed for the unveiling of many of the intricate complexities underlying the development of higher mental functioning.
