影响阅读的变量主要有作者变量、语篇变量和读者变量。
Variables effecting reading comprehension include writer variables, text variables and reader variables.
再考虑到许多其他的复合变量，与在各种让人头疼的烦人景象中艰难的做出选择相比，读者们也许更容易放弃做这个选择。
Factor in a host of other complex variables, and it might simply be easier to avoid making the decision at all, rather than wade through the depressing list of regretful scenarios.
一些读者可能对我们编定榜单的方式或者我们赋予不同数据的权重有所疑议，或者他们想考虑其它的变量，比如校园犯罪率或者SAT(美国大学入学考试)分数，那么我们同时提供了一种编制您自己的榜单的方法。
Some readers may disagree with the way we construct our rankings or the weights we apply to the data. Or they may want to consider other variables, such as campus crime rates or SAT scores.
应用推荐