I can't marry her /我不能和她結婚
and /而
to pretend otherwise (that the situation is different from I can't marry her) would be wrong.假裝情况不同(我不能和她結婚以外的情况)是不對的。
2013-08-29 18:35:28 補充:
Situation different from "I can't marry her" usually is thought of as "I can marry her".