nowadays,everybody enjoys their lives,we are very lucky and comfortable.Everything is convenient.However,In the old days,the lives were much more difficule than now.They didn't have frigde,they didn't have air-conditioners,neither.Although ther are very tired every day,they also enjoyed their lives.So we also need to enjoy every minute in our lives.The more we enjoy,the happier we will get.It's easy to understand.We like not only the old days,butalso the new days!
应该比较好理解,我是初中的~