The great learned journals are in their early phase.

重要的报刊也初现雏形。

耶鲁公开课 - 文学理论导论课程节选

So some people have an early Phase 1, some have it later on.

所以有些同学在第一阶段早选课，有些同学就要稍后再选。

关于授课系统 - SpeakingMax英语口语达人

Phase One, the million and a half years ago, in the early--in the late--Miocene and early Pleistocene phases, there was shift where people were less likely to be just going out and gathering foods from every place they could find it.

第一阶段,一百五十万年前,在整个中新世以及更新世的早期,情况开始转变,人们不光靠,出门四处搜集食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选