Self-introduction Good night every one, this is my first time to log in italki website. My name is gaohang, Now i will graduate from college of life science of northwestern university, my major is cell biology. I found a job which is strict with my orial english, but my orial english is poor and i never comunicate with someone in english, the purpose i come here is to find somebody who can improve my orial english. I am fluent in mandarin, so i can also help others improving their chinese.