这些担忧并非无法考证，如果刚果临国的一些行为是确有其事。
Such fears are not entirely groundless if the recent conduct of some of Congo's neighbours is anything to go by.
至于怎么用花粉来筑巢就看不到了，我们现有的条件也无法考证了！
As for how to build their nests with pollen will not see, and we can not research the current condition of the!
尽管，老子是不是铁匠出身，以及建塔人是否得益于老子的指点，已经无法考证。
Despite that Lao Tzu was not a blacksmith who, as well as whether the tower built to benefit from Lao Tzu's advice has been unable to verify.
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