balance something against something
phrasal verb with balance verb uk/ˈbæl.əns/ us/ˈbæl.əns/
权衡，比较
to compare the advantages and disadvantages of something
The ecological effects of the factory need to be balanced against the employment it generates. 需要在工厂对生态造成的影响与其带来的就业机会之间权衡比较。