回複：中國人就別窩裏鬥了

I don't want to say you area jerk. But, you definitely are with silly attitude.

Here is a quote from
http://immigration-information.com/faq/FAQ_ChangingJobs.html#Are%20there%20any%20restrictions%20on%20changing%20employment%20during%20or%20after%20applying%20for%20immigrant%20status

Question: Are there any restrictions on changing employment while applying for immigrant status?

Answer: Yes there are. For labor certification based immigrants, there is an absolute requirement that the job offer described in the labor certification remain valid through the receipt of immigrant status. This means that the employee must, if not remain in the same job, at least intend in good faith to assume that job immediately upon immigrating. The single exception to this rule is the case involving employees who have filed for adjustment of status and waited at least 180 days for a decision. At this point, they may change jobs or employers, provided they remain in "the same or a similar occupational classification." This is known as the "180 day rule" or "I-140 portability". In all other cases, if the employee changes jobs or employers, the labor certification becomes void and the employee loses his or her eligibility to immigrate.