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1·With GNOME you can use several different windows manager, such as Sawfish or Metacity.

使用 GNOME 时，您可以使用几个不同的窗口管理器，例如 Sawfish 或 Metacity。

2·Sawfish, which can reach lengths of 25 feet (7 meters), are related to sharks, skates, and rays.

锯鳐能长达25尺（7米）。

3·It's thought that sawfish populations have been reduced by some 90 percent due to habitat loss and accidental entanglements in fishing nets.

人们普遍认为它们之所以数量下降达90%是栖息地的减少和在捕鱼过程中的意外情况导致的。