Sometimes, Guffin said, teachers used their open planning period to cover another classroom.
古芬说，有时老师们另一个教室完成他们的开放计划。
TED演讲（视频版） 2019年1月合集
Listening to women's needs, addressing those needs, advancing equity and well-being: those must be the aims of family planning, period.
倾听女性的需要，满足这些需要，促进公平和福祉：这些必须是计划生育的目标，没有任何商量的余地。
英语百科
Homeroom
Homeroom or advisory is the classroom session in which a teacher records attendance and makes announcements. It can also be called Registration or Planning Period. The concept is used in schools around the world.