对于银河的边界，尚无精准的定义——它们非常模糊，而且理解各异。
There is no precise definition of the Milky Way's edges — they are very vague and depend on the clarity of your view.
红豆杉种属的问题，不但它的种类惊人地相似，而且其科的界限也非常模糊。
Taxus l. is a problematic genus, not only its species are discouragingly similar, but also its family circumscription are still doubtful.
这部法律非常模糊不清，不仅会导致警察游手好闲，可以仅仅因为人们的肤色就将别人拘留，而且直接影响了千千万万的家庭。
This law, not only is vague enough to create rogue police officers, detaining people just because of the color of their skin, but it's also directly impacting thousands and thousands of families.
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