More buses and metros or subways.

在美国，通常有更多的公共汽车和地铁。

Beijing needs more metros and buses.

北京需要更多的地铁和公共汽车.

A few more steps ; a few more metros.

我犹豫地一步步往里走.

And as far as metros are concerned, there were a few more metros than expected, in particular an additional line opened during peak hours.

就轨道系统来看，会有更多地铁可以运行，这超过了预期，特别是在高峰期增加线路。

The map says the highest peak in this vicinity is 1500 metros.

地图显示附近最高点是1500米.

A lot of hub-and-spoke delivery systems have to be put in place as the number of metros grow.

随着大城市的扩展，有很多的中心辐射派送系统将建立起来。

Imposing airport-style passenger and bag checks in the metros and bus stops of major cities is impractical because it would bring ordinary life to a halt.

想要在大城市地铁站和公交车站进行类似机场的安检，实在是不切实际，这样人们的正常生活可能陷入停滞。