我们无从知晓银河系中是否还有其他的智慧生命，抑或我们人类是银河的唯一孩子（目前，事实是这样的）。
We could be the only life-forms in our entire galaxy (so far, there is little evidence otherwise).
另一个原因是父母会将自己几乎所有的积蓄都花费在自己唯一孩子的婚礼上，所以就会不可避免德将关注他们的接下来的家庭生活。
Another reason is that they may have spent most of their life's savings paying for the wedding of their only child and therefore inevitably keep a watchful eye on their subsequent family life.
这个扭曲的政策还带来了一些可怕的家庭问题，最突出的问题是，人们为了保证所生的唯一孩子是男孩，就去做人工流产，打掉肚子里的女孩。
The policy's distortions have also contributed to other horrific features of family life, notably the practice of aborting female fetuses to ensure that the lone child is a son.
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