imponderables

例句:

• We can't predict the outcome. There are too many imponderables.
  我们无法预测结果。难以逆料的情况太多了。
  
• 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.
  
• They are speculating on the imponderables of the future.
  他们猜测着未来难以预见的事情。
  
• Regan giggled a lot about imponderables.
  来自NEWYORKER
• For Gingrich, though, everything is ponderable, particularly the imponderables.
  来自NEWYORKER
• No kissing allowed Best of all we can now move to answer these imponderables.
  来自BBC