这一趋势最初是被医学界作为一种对抗心脏病的方法，但它也产生了一些意想不到的副作用，如超重和心脏病——而这正是医学界一直试图对抗的问题。
This trend, which was started by the medical community as a method of fighting heart disease, has had some unintended side effects such as overweight and heart disease—the very thing the medical community was trying to fight.
这些宇宙空间中的结构最初是由于万有引力的作用开始进化的，但不久之后就有暗能量的反重力作用与其对抗。
The growth of these structures was initially driven only by the attractive force of gravity, but then later there was competition with the repulsive force of dark energy.
如果我们做了最初的确定作用域的工作，那么每个人都将可以更好地为实际工作的需要做准备。
If we'd done the initial scoping, everyone would have been better prepared for the actual effort required.
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