dominate a scene of action or forum of debate
引人注目；成为主导
prepare the conditions for (the occurrence or beginning of something)
为…创造条件，为…做好准备
these churchmen helped to set the stage for popular reform.
这些教士为宗教普及改革创造了条件。
on the left (or right) side of a stage from the point of view of a performer facing the audience
（演员面对观众时的）舞台左侧（或右侧）