They have only a vague idea of the amount of water available.他们只是大概知道可用水的总量。Other amenities, less commonly available, include a library and exercise room.还有一些不太常有的设施，包括图书馆和健身房。Cheap goods are available, but not in suffic...
The disadvantage is that it is not universally available...缺点在于它并不是随处都可获得。A wide range of colours and patterns are available.各种颜色和样式都有。They are available in polished brass, antique brass or silver-plate.它们有哑铜的，古铜的和镀银的。Or...