在大部分与品位有关的问题里，你只要做一个关于偏好的调查，就会发现大部分人其实不知道该选什么，然后最终会选看起来最熟悉的那个。
In most matters of taste, when you do preference surveys, you'll find that most people don't really know what to choose, and will opt for the one that seems most familiar.
但是因为我几乎没有做过关于选择不生育的调查，我想我应该在网上做一个选择不生孩子的女性的民意调查，以便找到她们做这个决定的原因。
But because there is very little research on deliberate childlessness, I thought I would poll childless-by-choice women online from all over the country to find out their reasons for the decision.
卫星图像使调查乡村的污染变得更加容易，并且关于影响健康的风险因素的新知识让我们可以做一个更好的统计。
Satellite imagery has made it easier to assess rural pollution, and new knowledge about the health impact of exposure has enabled a better count.
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