not only but also它的意思為“不僅如此”，“不但...而且”的意思。
造句：
1、In production, we demand not only quantity but also quality.
我們的產品不但要求數量多，而且要求質量高。
2、Drinking of tea not only can make myself happy but also can improve my memory.
喝茶不但讓我感覺快樂，而且還能提高記憶力.
3、Reading not only can make myself happy but also can improve my academic performance.
讀書不但讓我感覺快樂，還能幫助我提高成績。
4、Things here are not only inexpensive but also of good quality.
這里的東西不僅便宜而且質量好。