not only but also它的意思为“不仅如此”，“不但...而且”的意思。
造句：
1、In production, we demand not only quantity but also quality.
我们的产品不但要求数量多，而且要求质量高。
2、Drinking of tea not only can make myself happy but also can improve my memory.
喝茶不但让我感觉快乐，而且还能提高记忆力.
3、Reading not only can make myself happy but also can improve my academic performance.
读书不但让我感觉快乐，还能帮助我提高成绩。
4、Things here are not only inexpensive but also of good quality.
这里的东西不仅便宜而且质量好。