Personally/ As far as I’m concerned/ In my opinion/ From my point of view/ To my way of thinking/ As I see it, I prefer the bank loan for the following reasons.
For one thing, my parents are not rich enough to afford me.
For another, I will not have enough time and energy to study after finishing my part-time/ temporary/ odd jobs.
In addition, I believe I can hunt a rewarding/ dream job after graduation, and then I will be able to pay off/ pay back/ return/ give back.
Therefore /So /Hence,.....
使文章富有表现力的手段：
1、使用有难度的词汇;
2、使用形容词修饰名词，用副词修饰动词或整个句子;
3、使用被动语态;
4、使用倒装句;(not only... but also...;only...)
5、尽可能地使用名词，而不是习惯中的动词和形容词。
绿化我们的城市
第一段：
近年来，随着工商业的迅猛发展，许多大城市中树木的数量大幅度降低。人们作出各种努力防止树木被砍伐，但是，认识到绿化城市也同样重要。
普通版
Recently, with the development of businesses and industries, more and more trees have disappeared in big cities. We have tried our best to prevent people from cutting trees. But, it is important to realize to make our cities green.
润色版
In contemporary society, while our industries and businesses have experienced a(n) rapid/ fast/ amazing/ marked/ fantastic development, the number of trees in many large cities has declined/ decreased/ reduced sharply/ dramatically. Although remarkable efforts have been exerted to prevent more trees from being cut, the realization of making cities greener is still of great importance.
注：区分industry 和 industrial
绿化我们的城市(续)
第二段：
绿化城市会带来很多好处。其一，绿化城市能够净化空气。科学研究已经证明树木通过吸收作用可以降低大气中碳化合物的含量。其二，它能够美化城市。到处是花草树木，我们会欣然地感到自己置身于美丽的花园中。最后，绿化城市能够带来大量木材，这是解决自然资源短缺的有效办法。
普通版
There are many advantages in making cities greener. First, it makes our air clean. Scientific research has proved that trees can reduce a great amount of carbon dioxide in the atmosphere through absorption. Second, it adds to the beauty of our cities. With trees and flowers everywhere, there is a pleasant feeling that we live in a beautiful garden and are closer to nature. Finally, it will bring us a lot of timber. And this is an effective way to solve the problem of lack of natural resources.
润色版
What benefits can the program of making cities greener bring to us? First, the air will be cleaner. Scientific experiments have already proved that trees can reduce air pollution by producing a lot of oxygen. This will improve the quality of the urban environment. Second, our cities will look more beautiful. Just imagine the city which is full of trees and flowers. What an attractive garden it is! What’s more, by making cities greener, we can provide our industry with timber the precious natural resources.