complexity
n. 复杂性，错综复杂；复杂之处，费解之处
复数 complexities
例句
I was astonished by the size and complexity of the problem.
这个问题的复杂性和涉及面之广使我感到惊讶。
《牛津词典》
The situation presents great complexity.
形势显得极为复杂。
《新英汉大辞典》
An open-science stance can also add complexity to a collaboration.
开放科学的立场也会增加协作的复杂性。
