However, the definition raises difficulties.
But Mr DeVeaux raises difficulties.
But that idea is opposed by many European financial ministers, because it raises difficulties of distributing the tax money back to the correct countries.
However, this raises difficulties too.
The high reactivity of Ag NPs raises difficulties in developing stable colloidal dispersions, since Ag NPs rapidly undergo agglomeration.
Moreover, the catalyst-recycling step in solid phosphoric acid catalysed processes raises difficulties in the process arrangement.
It also raises difficulties in quantifying the substances with analytical methods because of their low concentration in the water phase.
Inheritance is often construed as transmission of information, though this notion raises difficulties; this issue is discussed in section 2.4.
The conflict between teachers' own convictions and preestablished concepts about biological evolution raises difficulties in the teaching learning process of such an important field of knowledge.
As we saw, for Ortega, the interpretation of human actions raises difficulties for standard empiricist accounts of explanation of the human and social world.
