第二段主題句：

　　The explanation for this phenomenon may include several factors and I will express only a few of the most important ones.

　　The reason why I cannot accept the job offered may include several factors and I will express only a few of the most important ones.

　　三個層次：

　　first of all;

　　in addition;

　　furthermore.

　　first and foremost,

　　besides,

　　last but not least

　　In the first place

　　In the second place

　　In the third place

　　個人層面

　　1.個人的興趣愛好

　　Doing something is of great interest, for it adds color to the dull routine of everyday life.

　　(02.6)A great many university students are fond of surfing online.

　　Surfing online is of great interest, for it adds color to the dull routine of everyday life.

　　As a result, a great many university students indulge themselves in the internet.

　　2.豐富/提高生活質量

　　Something helps to improve the quality of people’s lives.

　　例：The use of private cars helps to improve the quality of people’s lives.

　　3.運動健身

　　Regular exercises benefit both the body and mind.

　　4.社會責任感

　　Doing something will develop one’s strong sense of duty.

　　5.參加活動，培養團隊合作精神

　　Participating in activities can develop a sense of team spirit and cooperation.

　　6.人際關系

　　Doing something will enhance mutual understanding.

　　例：Talking with my roommates will enhance mutual understanding.

　　7.個人能力和職業發展

　　Doing something will develop one’s capability and helps one to start a new career.

　　例：Working hard will develop one’s capability and helps one to start a new career.

　　Getting proper training will develop one’s capability and helps one to start a new career.

　　例：Working hard will develop one’s capability and helps one to start a new career.

　　Getting proper training will develop one’s capability and helps one to start a new career.

　　社會層面

　　1.促進經濟發展

　　It helps to improve the economic strength. 。

　　例：The recent policy helps to improve the economic strength.

　　2.自然和社會資源

　　It will lead to great extravagance of natural resources and social resources.

　　例：Clear cutting will lead to great extravagance of natural resources.

　　3.科技發展

　　It is a symbol of human progress and it extends the scope of human thinking.

　　例：The development of science and technology is a symbol of human progress and it extends the scope of human thinking。

　　4、交通

　　Too many cars running on the streets lead to air pollution and noise pollution.

　　5.教育

　　好處之一：Get oneself acquainted with the latest development in science and technology.

　　好處之二：Broaden one’s scope of knowledge.

　　6.旅游

　　The tourist industry has played an important role in meeting the cultural needs of the public and carrying forward national culture.

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