动乱之后是令人不安的短暂平静。
I have never seen such a seismic shift in public opinion in such a short period of time.我从来没有见过公众舆论在这么短的时间内发生如此突然的转变。
Ebola was so deadly and killed so quickly that within a short period of time, there was no one around to infect.埃博拉病毒十分致命,致死速度极快,以至于在短时间内,周围没有健康的人可以再被病毒感染。