长久以来，市场有一块巨大的空白。For too long there was a huge gap in the market.他帮我们填满知识上的空白.He helped us to fill in a big gap in our knowledge.这有助于弥补我们知识上的空白.This will help to fill a vacancy in our knowledge....
The number of seconds elapsed before aborting a connection attempt.在中止连接尝试之前经过的秒数.What relevant inspection should make after aborting naturally twice?两次自然流产后应该做哪些相关检查?There is a problem accessing the printer port. Aborti...