答案和做法(一致的):
1. Respect and honor supervisor's decision. I am a desciplined person. Yes I am.
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2. If I disagree to something, and it is not a big deal, then just take it and keep quiet. It might be that I only saw a small picture...
3. Now, if the disagreement is on something that I belive a big issue. I would find time to talk to my supervisor, one-on-one, to express my concerns and why the concerns. Meanwhile get instant feedbacks from supervisor. Again, decision is a decision, I would honor it.
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4. Lastly, also very very important I believe, to control my own ego. I realized it is very important, and I have been doing better and better. With little ego, disagreement can be easily resolved.