1.The point is, according to my understanding, that we should move quickly.
2.Instead, chambers 1988 suggests the improtance of the genetic influence in determining the antecedents.
3.It was found, however, that most of the liquid could not be absorbed.
4.The trend toward specialization is very clear, particularly in the professions.
纠正:第四句中应该是clear而不是clearr.