enter upon a new stage 基本例句 进入新阶段 Now the agriculture development is embarking on a new stage.现在我国农业发展已进入新阶段。 This appearance of a conquering Mongolian people in Europe may be taken to mark a new stage in human history.征战欧洲的蒙古人的出现也许可以当作人类历史进入新阶段的一个标志。