Clear guidelines have been set down for teachers.

【set】为教师制定了明确的准则。

The latter scandal—as became a person of sense, and, more especially, a member of the Pyncheon family—Phoebe had set down for the absurdity which it unquestionably was.

后一个丑闻——作为一个有理智的人，尤其是作为品钦家族的一员——菲比认为它无疑是荒谬的。