Having enough reason to support your choice is essential in TOEFL writing. Here I listed some good reasons for a point as a sample.

　　西方人经常提及的辩论话题之理由：（注意，有些理由在TWE中会被认为是重复的。只做欣赏。 另外，从中我们可以对自己的逻辑思维更加自信。）

　　1． Smoking

　　For：

　　1． it is pleasurable and relaxing

　　2． it is one's right

　　3． it is difficult to stop smoking

　　4． it is an old custom going back hundreds of years

　　5． it is not always dangerous to one's health

　　6． it makes socializing easier

　　7． it is an important source of tax revenue

　　8． intoxication is a natural drive (e.g., coffee, drugs, alcohol)

　　Against:

　　1． it is harmful to one's health (e.g., heart disease, bronchial trouble, lung cancer )

　　2． it is harmful to those nearby

　　3． it is a dirty and expensive habit

　　4． it is addictive (i.e., nicotine)

　　5． it is quickly being banned in public areas

　　6． it lives off deceptive advertising

　　2． School Uniforms

　　For：

　　1． they build character

　　2． they eliminate class differences

　　3． they allow students to better concentrate on their studies

　　4． they are popular with parents and administrators

　　5． they are inexpensive

　　6． they are attractive and neat

　　7． they eliminate the need to choose what to wear every day

　　8． many countries have them

　　Against：

　　1． they lead to conformity

　　2． they are disliked by students (students like to primp)

　　3． they create a military mentality

　　4． they are an infringement on our freedom (different strokes for different folks)

　　5． they are ugly and childish

　　6． they deprive youths of an important choice: what to wear

　　7． they are losing popularity everywhere

　　3． Legalized Gambling

　　For：

　　1． it reduces taxes

　　2． it is a source of government revenue

　　3． it is gaining popularity in the world

　　4． it is an old practice dating back thousands of years

　　5． it is pleasurable (e.g., horse racing, casinos)

　　6． it is voluntary

　　7． many people play poker and mahjong

　　Against：

　　1． it is banned in most countries

　　2． it is condemned by most religions

　　3． it can become addictive

　　4． it encourages people to throw away their hard-earned savings

　　5． it teaches people not to work for money

　　6． it can destroy happy families

　　7． it can lead to suicide

　　8． it is easily controlled by the Mafia (e.g., bookmakers )