1.individuals,characters, folks替换(people ,persons)
2: positive, favorable, rosy (美好的)，promising
(有希望的)，perfect, pleasurable , excellent, outstanding, superior替换good
3:dreadful, unfavorable, poor, adverse, ill (有害的)替换bad
如果bad做表语，可以有be less impressive替换
eg.An army of college students indulge themselves in playing games, enjoying romance with girls/boys or killing time passively in their dorms. When it approaches to graduation ,as a result, they find their academic records are less impressive.
4.(an army of, an ocean of, a sea of, a multitude of ,a host of, many, if not most)替换many.
注：用many, if not most 一定要小心，many后一定要有词。
Eg. Many individuals, if not most, harbor the idea that….同理 用most, if not all ,替换most.
5: a slice of, quiet a few , several替换some 6:harbor the idea that, take the attitude that,
hold the view that, it is widely shared that,
it is universally acknowledged that)替think
(因为是书面语，所以要加that)
7:affair ,business ,matter 替换thing
8: shared 代 common
9.reap huge fruits 替换get many benefits )
10:for my part ,from my own perspective 替换 in my opinion
