We have made some progress. We have part of the answer and we have simplified the problem. If we have anything that looks like this, it will satisfy the first condition.
已经有些进展，有了部分答案，简化了问题，如果我们有这样的函数，它会满足第一个条件。
Because we live here, it looks like the city and our lives have made some sense.
由于我们生活在这里，于是这个都市和我们的生活看上去都有了那么一点点意义。
Because we often output China, which is a kind of product made by people in Qin dynasty, it looks like today's porcelain.
因为我们通常出口China（瓷器）——一种秦朝人制作的工业品，外观很像我们今天的瓷器。
Because we often output China, which is a kind of product made by people in Qin dynasty, it looks like today's porcelain.
因为我们通常出口China（瓷器）——一种秦朝人制作的工业品，外观很像我们今天的瓷器。
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