Firstly, it is a decent job that determines a good material life. A well connected man may find it satisfied with friends around all the time, but even the most supportive and loving friends cannot pay for your food or rent for the rest of your life.比较说理When it comes to an abundant material life, one has to be self-reliant andearn a living for happiness. With a decent salary, one gets to taste a rich variety of cuisines in fancy restaurant, afford highly equipped apartment with sound securities and go on trips all around the world.细节Only when basic needs of life are fully satisfied can one feel relieved and focus on other aspects of life. 倒装表强调

　　Secondly, a decent job also provides better conditions for family. It is hard to imagine a working-class dad struggling to make both ends meet could afford a luxurious family trip or send children to first-class boarding schools. 反证说理（细节）Even when he has a delightful social life, troubles of real life don’t go away automatically. Besides, when an individual spends too much time on parties or social banquets, he can hardly squeeze time for family, either for atroublemaker son or a parent in sickbed. That is why divorce rates tend to be rather high in such households. No matter how resourceful and connected he seems, gratification coming from a happy family can never be replaced by anything else.

　　Thirdly, a job can also offer one a sense of self-betterment, which leads to happiness. //Bydealing with complaints, a receptionist learns how to improve his/her conversing techniques and comfort customers with patience细节; by giving presentations to clients, a marketing director learns to overcome shyness and develop his eloquence to speak in public细节; and byarranging daily business schedule, a secretary gets to train her organizing and communicative skills. 细节// Naturally, being a better self brings great joy and contributes to future career, which also indicates a better chance of happiness later on. So work, undoubtedly, makes it possible for an individual totaste the bitterness of confronting challenges, and then the unspeakable happiness of conquering it; meanwhile the improvement of expertise and experience gives rise to more joy that no social gathering could possibly offer.

　　All in all, since happiness is mostly determined by material life, family and self-betterment, which can all guaranteed by a successful career. So compared with social life, work plays a more decisive rolein the pursuit of happiness.