[交流] This is the first time for me to post a message here

I almost wasted the wole afternoon today, though I think what I have done in the morning is meaningful. I can not focus on my research. What i am thinking all day is how to spend this boring day. Accidently, I entered into this column and found it was a good place to relieve my bad emotion and share my happness with everyone. I think it is also a good chance for me to learn some English. Therefore, I decide to come here every day as possible as I can. I hope everyone here can participate my topics and share our experiences together. I am waiting for your comments.

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