(1)It deserves /merits our attention that
(2)Notably / Noticeably ,
It is noticeable/ notable/manifest / evident that
(3)It is advisable/ suggested that+学生应该需要学习音乐和体育，
(4)It is a well-established fact that +句子 ,
It is universally acknowledged that + 句子
(5)Ample / rich /countless evidence propels me to consider that +句子
(6)Both empirical experience and
Academic knowledge enables me to argue that
(7)It is far from inconceivable / incomprehensible that+句子
(8)The role of sth cannot be underemphasized/ignored / overlooked. ( 总结句) 什么的作用是不容小视/忽略/忽视。
The role of practical subjects, such as marketing and creative writing, cannot be underemphasized.
(9)With the help of sb / sth , +句子. Without xxxx, sb would never, never have done sth (重要性)
With the help of mobile phones, businessmen can easily communicate with clients around the world. Without these technological gadgets, they will never, never have reaped so much material wealth
With the help of study about history, many students are able to sharpen their analysis skill. Without it, students would never have achieved a superb leap in academic ability.