1.Even more momentously, we no longer need husbands to have children, nor do we have to have children if we don't want to.
更具时代意义的是，没有丈夫也可以生小孩，不想要小孩也可以不要。
2.The party's seventeenth conference momentously explicated on our country's national relations for the new period and new stage.
党的十七大就新时期新阶段的我国民族关系进行了重要论述。