fourth composition I had a busy week .The test,the homework and English paper ,which all enrich my life.i were tried and happy. The friends on italki are friendly,they help me a lot.i like make friends with you. And the CET6 is coming,my listening is still not good enough,i am worried about it. it snowed today,its cold and beautiful. i am looking for a book as a gift for my best friend,i have checked all the online book store and there are no result.its a pity ,i'd like to share it with het.

whats the meaning of the 'i knowledge components' This section reviews the model formalization of the B, D and I knowledge components in an arbitrary negotiation round, as well as the decentralized mediation component. i dont understand it in this sentence.

Chinese food i just very hunger now,its midnight and there are no food,so i only can share delicious photo(⊙﹏⊙)

what is the meaning of "vis-`a-vis" in this sentence? i am reading a paper about taxi-dispatch system,and have difficulty on this sentence： The proposed dispatch system attempts to increase customer satisfaction more globally, by concurrently dispatching multiple taxis to the same number of customers in the same geographical region, and vis- `a-vis human driver satisfaction.

The Single Day On November 11, it originally calls The Single Day or One's day because the '1' like smooth stick and the stick on behalf of single in china.Recent years,it has developed a network holiday about crazy shopping,which is contributed by taobao,a shopping websit of Alibaba.Taobao selects the day to hold promotional activities in order to do a holiday of taobao,let everybody can remenber it.The weather change colder and people might want to buy winter clothse,which contributes its popular.Around this time ,many electricity malls such as dangdang,jingdong jumeiyoupin had joined in the sales promotion.Its influence is more and more big.This is a marketing legend,and by the way,Mayun is a legendary figure. (When you send message about “单身狗” by wechat,it well drop dogs,which is so cute.we call the single man“单身狗”in china,its just a trick call.)

traveling Last year i visited Haerbin,a north city.It's amazing.I have never seen this scenery although i grew up on a east-north city.there are ice and snow everywhere.the status ,the door ,the chair and the walls are made of ice or snow in addition to a big tool bear.They are so cute .I am too excited to say anything as soon as i saw them.I will show you a photo taken in there.it's a status called "年年有余（鱼）" in China and it implicate someone is rich on the food and money.I like Haerbin.

Friend I have made friends who are nice and humorous,thanks to italki.It is nice to talk with them,they are very patient answer my questions although I am curious about the different world from China and we talk about the funny things that each meet.They help me with English and I help they in Mandarin,which is a efficient way for each.The last but least,I'm glad to hear their compliment for China.I feel proud of China.

Three It is midnight now and I can't fall asleep.It's common that Chinese go to bed early ,I think.One of my roommate is doing her homework.The rest are playing mobile phone except one is sleeping.It's third essay I have written on italki and I hope I can consist on it.Well,goodnight.

All of a sudden It occurs to me that the composition of Chinese characters were mostly for a reason,which is teached in my first class.For example,"男" is consisted of "田"and "力" and in reality,the man(男) is the one that work(力) in the fields(田).There are many such examples. Learning Chinese is difficult but interesting and you'll love it. well,I hope you can understand although I may not make myself clear because of my poor vocabulary.