欧洲科学家们让志愿者们估计一些诸如瑞士人口密度的数据，每个人有五次猜测机会。
European scientists asked volunteers to estimate statistics like the population density of Switzerland. Each person got five guesses.
人们都在猜测这个曾经欧洲人口中的亚洲威尼斯会变得多糟糕。
And all the time people speculate about just how bad it might get in a city the Europeans once called the Venice of Asia.
有没有人口普查数字，这些人中，只有不知情的猜测。
There are no census figures for these people , only uninformed guesses.
有没有人口普查数字，这些人中，只有不知情的猜测。
There are no census figures for these people , only uninformed guesses.
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