But the orbiter results will likely settle the fascinating question of whether Europa has an ocean.

但是人造卫星的数据可能会解开木卫二是否存在海洋之谜.

However, another fascinating question, hitherto absent from the current palaver, may prove more tractable.

然而, 另一个至今都没人谈论到的,更吸引人的问题, 或许更容易找到答案.