1.but=nevertheless,moreover,even though,even if,despite the fact that
2.important=crucial,significant,essential,vital,decisive,be of vital significance
3.because=due to,owing to,in view of,as a result of,by reason of,on account of,seeing that
4.many=innumerable,countless,plenty of,an ocean of,a multitude of,a host of
5.more and more=a growing number of,a growing chorus of,the number of sth/sb is surging,increasingly
6.For example=For instance,Such as,To illustrate,That is to say,By way of example,Such as the following
7.must=go to,be forced to,ought to,be obliged to,cannot help,be ordered to
8.In my opinion=In my view,As I see it,In my submission,From where I stand,As for me/As to me,From my perspective
9.want=desire,long for,yearn for,intend to,aspire to
10.people=human,citizen公民,resident居民,the public民众,mortal普通人