Library practice should break through some theory constraint, even go ahead withgreatstrides before the birth of the new theory.
图书馆实践应该突破某些理论束缚，在新的理论诞生之前大踏步地前进。
3
He began to run towards the shed, not daring to look behind him. It seemed to him, that if he turned his head, he should see that form following him withgreatstrides and waving its arms.