Choice/Preferences(Agree/Disagree)
I can't remember how many times I was informed that sth played a rather significant role in the whole life; I can't remember how many times journalists extol the merits of doing sth; I can't remember how many times especially when someone , more often than not, would mention that….so when it comes to the choice of doing sth or not, I definitely regard sth as a better choice.
Sociologists have put great emphasis on the importance of sth. To put aside the academic debate, I think that….A good case in point is the experience of mine. …Sth is a vital part, as expected in …as ink is to a pen or wheels are to a car. Were it removed from sth, sth would….
A more essential factor why I advocate the argument of ...is that. There is a representative example ….. As a matter of fact, these examples are defying enumeration.
There is another factor that deserves some words here. For instance,…Numerous other instances of the same sort might be multiplied indefinitely, but this will suffice.
Admittedly, sth has its own merits, such as… Nonetheless, taking into account of all the factors mentioned above, we may safely reach the conclusion that...
原因：
方便convenience
As a modern transportation, it not only brings convenience to our daily life, but also enhances the efficiency.
经验experience
It expands our eyesight by informing us with lots of new things that we cannot gain from our common life or experience.
效率efficiency
computer games not only harm health, but also have a negative impact on the working capacity.
健康health
good health is the prerequisite for future success.
性格personality
It will exert a profound influence on their personality and life.
耐久durable
It is highly appraised of fastness and durability.
环保envoirment protection
Ecologists pointed out that a cluster of sth in a city often overburdens public transportation and parking lot capacities.
能力:
Since I started to work as a leader of this group, I have developed my ability in leadership, decision making, communication skills, teamwork and negotiation skills etc., which have greatly benefited me.
工作,就业:
Many people in our community will find a job in the factory. As people's income increases, they will be able to spend more money on their food, clothing and leisure time, and the quality of life will be increased.
经济:
education is the power which enhances a country's economy.
a new factory will bring prosperity to our community.
This will boost real estate development in our community.
A myriad of …
Many experts point out that physical exercise contributes directly to a person's physical fitness.
There is no denying the fact that air pollution is an extremely serious problem :the city authorities should take strong measures to deal with it.
This is a matter of life and death--a matter no country can afford to ignore.
这是一个关系到生死的问题，任何国家都不能忽视。
Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet.
This issue has caused wide public concern.
这个问题已经引起了广泛关注。
Taking exercise is closely related to health.
作运动与健康息息相关。
There is no doubt that our educational system leaves something to be desired.
毫无疑问，我们的教育制度令人不满意。