Many imponderables influence the result of an election .
许多无法估量的因素都会影响选举结果。
There are too many imponderables to tell whether this theoretical argument is what really counts in practice .
要判断这种理论观点在实践中是否真的有价值，有太多不可精确估量的因素。
It is certainly hard to spot bubbles ; but central banks already grapple with other imponderables , such as the size of the output gap or the level of structural unemployment .
