史上每一个全球化周期(除了1914年缩短了的一个周期外)结局都如此,而当前的周期从根本上于历史无异。
Every previous globalisation cycle except one (the one cut short in 1914) ended that way, and nothing in the current cycle seemed fundamentally different from what had happened before.
因为技术事故,她的实习期缩短了。
她把自己之前的最佳纪录缩短了两秒。
That is the whole triumph of calculus is to know that by looking at the position now, the position slightly later and taking the ratio and bringing later as close as possible to right now, we define a quantity that we can say is the velocity at this instant.
这就得靠微积分了,通过了解它现在的位置,和一小段时间以后的位置,计算它们的比,再让时间间隔尽可能缩短,我们就定义了一个,被我们称之为瞬时速度的物理量
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