朋友,他们结构一样但是意思不一样.我用两个例句说明,
not...but
you are not my friend but husband.你不是我朋友,而是我丈夫.
not only...but also
you are not only my friend but also my husband.你不仅是我朋友,还是我丈夫.
不懂追问,