These jam-packed metropolises may put you too close for comfort with your neighbor .

生活在这些拥挤的大都市里面，你会因为与他人距离太近而感觉很奇怪。

But its biggest metropolises conspicuously failed to explode in size .

但是其大城市的人口数量显然没有暴增。

This has turned great metropolises such as shanghai into vast laboratories of consumer research .

新兴市场把上海之类的重大城市转为研究顾客的大型实验室。

These factory towns were trying to refashion themselves into high-tech , low-pollution , value-added modern metropolises .

这些制造业城市正努力将自己重塑为高科技、低污染、高附加值的现代都市。

With few exceptions , china 's most significant modern metropolises have varied , lengthy , and winding histories .

除了罕见的几个例外，中国最著名的现代化城市都具有漫长、曲折、不断演变的历史。