不懂不要緊,可以向別人請教嘛。再不,Google 一下?
https://www.google.com/#hl=en&sclient=psy-ab&q=married+filed+jointly+vs+separately&oq=married+file&gs_l=hp.1.2.0l4.775.8167.0.11726.12.9.0.3.3.0.179.1055.4j5.9.0.les%3B..0.0...1c.keMGCRMSxEg&pbx=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&fp=2f71e8da78d55b15&biw=1191&bih=741