“metropolitan areas”可以造什么句，metropolitan areas造句

The ability to exploit metroplex concepts that enable optimal use of runways at multiple airports within metropolitan areas, as a means of reducing air traffic congestion and delays.

More than half live in the metropolitan areas of Oklahoma City, the capital, or Tulsa, its other sizeable city.

Several metropolitan areas in America's Great Lakes region— never mind the cities at their heart, such as Buffalo, Cleveland and Pittsburgh— have long been losing inhabitants, their population is ageing and income growth has lagged behind rivals in other parts of the country.