蝙蝠是唯一能飞很远的哺乳动物，但它们还有另一种能力。
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.冥王星不属于这两类，因为它离地球太远，体积又小，使得它的真正性质成为一个谜。
If jobs require people to commute a great distance or to move themselves to another state, employers may find they need to sweeten their offers.如果工作要求雇员通勤很长的距离或者搬到另一个州，那么雇主则会发现他们应该提供更丰厚的待遇。
