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within four walls (A disadvantage of team teaching, of course, has been that it required the teacher, normally an individualistic person accustomed to complete authority within the four walls of his classroom, to sink his authority and his subject speciality within a group.  english-corpora.org); within the confines of four walls (в пределах четырёх стен: We all know that learning takes place experientially in every corner of our environment, but yet tend to support it only within the confines of four walls. learnlife.com VLZ_58); within the four walls of |
