17) To reverse the trend is not a light task, and it requires a different state of mind towards ....

18) To control the tendency is not an easy job, and it involves a different state of attitude towards ....

19) For the reasons presented above, I strongly commit to the notion that ....

20) To put all into a nutshell, I ....

Courage and resolution are the spirit and soul of virtue.——勇气和坚定是美德的精神与灵魂。