它在被发明后的短短几年时间里几乎成为了大多数家庭不可或缺的一部分。
After its invention, it became an almost indispensable part of most households within the space of just a few years.
如今我们的世界变化得如此之快，以致于我们很少停下来看看自己在短短几年里走了多远。
Our world now moves so fast that we seldom stop to see just how far we have come in just a few years.
短短几年间，他们接连生了三个孩子。
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