请帮我看下这句英语句子的语法有错吗?

问题描述:

请帮我看下这句英语句子的语法有错吗?
People exchange message in a relax way through Twitter and Face book on P&G which a far cry from what I saw is only a customer service e-mail address in other website.
自己写的要交的论文 总感觉心里不安..
大家通过facebook跟twitter在p&G官网上发布信息,跟我在其他地方看到的大相径庭 - 他们只不过留了个客服的邮箱罢了

People can post messages on twitter and facebook of P&G's homepage,which is far more different from what I had seen in other places【这里有点chenglish的,可以说what I had known about the way of posting...