下文是新大陆独家总结编译耶鲁大学Law School对PS写作的建议，实际上我们认为它的建议同样适用于其它任何专业的PS写作。
写作PS一定要写得流畅,有好的开头
要双倍行距，页边距足够大
用word 检查错误，并保证打印清晰
保持合理的长度（两页）
要独特的，具体的turn negatives into positives.
把你的PS当作一个对学院的5分钟的面试请其他人阅读你的PS
不要
用“陈词滥调”或者太多的引用他人的话
拼写错误
寄出多媒体的陈述，或者附上照片
在所申请专业的重要性上面滔滔不绝
愤世嫉俗的，看起来像一个“受害者”
对你将来的工作描写得太具体，除非你以前有类似的经历
对另一个人做过多的描述，虽然他可能对你影响很深
只是列举你的活动或经历
既然不会面试，所以你的PS就是你直接向招生委员会“陈述”你唯一机会。你最好能用有限的篇幅来“推销”你自己，而不要过多“解释”你的低分数或者其他不完美的地方。好的PS应该读起来像一个故事，而非叙述性的简历。一定要修改，并且让别人来阅读你的PS。
以下是耶鲁大学关于PS写作的原文：
DO
write well-make it flow.
have a strong first sentence.
type double spaced and have good margins.
use a word processor and make sure ink is dark enough.
keep it a reasonable length (2 pages).
put your name and social security number on each page.
be specific and accurate.
be truthful.
have the statement support and be supported by the rest of your application.
turn negatives into positives.
mention sensitive subjects in an appropriate way, if you choose to disclose them.
treat this statement like a 5 minute interview with the law school. Tell them what you're all about.
have several readers review your statement.
DON'T
overuse the thesaurus.
use cliches or quote others extensively.
misspell words. Use your spell-checker, but don't rely on it completely!
use the third person.
title your statement.
send multimedia presentations or accompanying photos.
gush about law school or the role of law in society.
be too cynical.
come across as a "victim"
be too specific about what you want to do with your law degree, unless your experience shows that it is a logical extension of what you've already done.
focus too much on another person, even if they have been influential in your life.
just list the activities and experiences that are already in your application.
Since most law schools do not include an interview as part of the application process, your personal statement is the only chance you have to "speak" directly to the admissions committee. It is best if you use this limited space to sell yourself, rather than as a place to "explain" a low grade or any other less than perfect aspect of your application
Effective personal statements usually read more like a story and less like a narrative resume. Be sure to write several drafts, and have several readers before finalizing your statement.
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