all of a sudden there was a big boom

Question

all of a sudden there was a big boom

Answer 1

你好！
all of a sudden there was a big boom
突然之间，出现了一场大繁荣

Answer 2

突然之间，出现了一个（科技、产业）大繁荣（时代、时期）本回答被网友采纳

Answer 3

突然有一个大繁荣

Answer 4

the “young females” who graced that