英语作文万能句子七七、演绎法常用的句型 1.There are several reasons for…, but in general, they come down to three major ones.有几个原因……,但一般,他们可以归结为三个主要的。 2.There are many factors that may account for…, but the following are the most typical ones.有许多因素可能占…,但以下是最典型的。 3.Many ways can co...