綜合類(from Science Fiction )

　　1. Those who are sufficiently clear-sighted to see the way we are going, however, may provide a valuable lesson on how to deal with the problems which society will inevitably face as it tries to master its new technology.

　　綜合類(from Supermarket)

　　2. The other three walls are normally decorated in light colors, giving an impression of cleanliness and brightness.

　　綜合類(from A thirsty World)

　　3. Today, in most large cities, water is used only once and it eventually returns to the sea or runs into underground storage tanks.

　　4. All we'd have to do to make use of the vast amount of sea-water is --- remove the salt. This salt-removing process is already in use in many parts of the world.