To encourage and further such mountain-top experiences the society must recognize teaching for the sublime art it is ---not merely an offshoot of research, not merely a performance before a passive audience, but a guided expedition into the most exciting and least understood terrain on earth --- the mind itself.

“...社会必须承认教书是崇高艺术...”

请问句中 "recognize ... for ..." 这是个固定搭配吗？还是for作原因连词连接下个句子？