款。
If books are not returned to the library on time or not renewed before they are due(到期前不续借），a fine must be paid In accordance with the regulations(按规定). 6.总的说，很少有人不抱怨自己的工作的，然而一旦他们没有机会工作了又会不高兴。
On the whole, few people do not complain about their jobs(很少有人不抱怨自己的工作的）. On the other hand, they would be very unhappy if they got no chance to work. Vocabulary (Unit1)
