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 替换 common
9.reap huge fruits 替换 get many benefits
10.for my part, from my own perspective替换in my opinion
11.Increasing（ly）, growing替换more and more（ 注意没有growingly这种形式。所以当修饰名词时用increasing/growing。修饰形容词，副词用increasingly.
Eg.sth has gained growing popularity.
Sth is increasingly popular with the advancement of sth.