Active growth takes place in that area.

VOA: special.2010.04.06

We are invited to be not merely passive onlookers of this conversation, but active participants in that dialogue that takes place in this book over the course of a single evening.

我们不仅受邀,作为这场会谈的被动旁观者，更受邀参与进行中的对谈,时间就在那一晚,内容是本书。

耶鲁公开课 - 政治哲学导论课程节选

For instance, bronze is allocated to different places for the manufacture of arrowheads or swords, with a note telling how many smiths in each place are active and how many are not.

举个例子,青铜分配到,不同地方用于制造箭头,或者刀剑,然而每个地方能劳动,和不能劳动的铁匠数目都有记录

耶鲁公开课 - 古希腊历史简介课程节选