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1.Turing was instrumental in helping Britain and its allies win World War II.
instrumental 有帮助的；起作用
He was instrumental in bringing about an end to the conflict.
他在终止冲突的过程中起了重要作用。
2.This was a giant computer, which ushered in the birth of modern computing and the beginnings of artificial intelligence.
usher in 引领
The talks ushered in a new era of international co-operation.
会谈开创了国际合作的新纪元。
