http://blog.mygcvisa.com/2015/03/latest-uscis-visa-bulletin-pre
重点是这段:
All Categories: Due to executive action signed by US President Obama, DOS is
likely to move dates earlier in the year, instead of waiting till the last
quarter of fiscal year; since at that time they can get a more accurate view
of demand across all categories and hence can more accurately calculate
expected spillovers across EB/FB categories.
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