09年绿卡，一直到2020年都是符合绿卡的居住规定。
2020年初回中国，两年后回到美国工作生活。
配偶是美国公民，准备申请美国公民。
如何计算年限？是从2022年回美国之后计算起三年，2025年申请？
-It seems you got your green card through marriage with a US citizen. If so, you need to wait for two years and 1 day (but must overcome presumption of break in continuity of residence) or two year and 6 months to be qualified for N-400 filing from the date you returned to US from China.
Probably, you only need to wait for two years and one day to file N-400 because your family (e.g., your spouse) have still been living in US since you went to China and probably you may have the proerties such as house in US during your absence. This kind of evidences can be used to overcome presumption of break in continuity of residence.
还是目前就可以申请了？
