高考英语作文常用八大句型一)原因 1.A number of factors are accountable for this situation. 许多因素都对这种情况负责。A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 许多因素可能有助于(导致) (证明)这个现象(问题) 。2. The answer to this problem involves many factors. 回答这个问题涉及到很多因素。3. The phenomenon mainly stems from the fact that. 这种现象主要是源于一个事实,即.4. The factors that contribute to this situation include. 这种情况的因素包括.5. The change in .largely results from the fact that