1.   A number of theories have been proposed to explain the phenomenon.

2.   All sorts of theories to explain the phenomenon have been advanced, but as far as I am concerned, it works.

3.   But it is not prepared to accept that the mathematical models developed to explain the phenomenon are sufficiently proven.

4.   Chomsky explains this phenomenon by suggesting that human individuals are innately endowed with a deep structure grammar of language.

5.   The theory of plate tectonics explains these phenomena and is commonly regarded as one of the cornerstones of modern geophysics.

6.   There is no attempt to understand or explain the phenomenon in terms of wider social forces.

7.   This phenomenon is explained by the fact that elements can be introduced into mental models without being explicitly mentioned.

8.   If the hypocholesterolaemia among colorectal cancer patients is not caused by a metabolic effect of the tumours, how can such a phenomenon be explained?

9.   In other words, if you want to explain social phenomena, you got to look for the explanations in society.