重点讲解：
1. early riser
习惯早起床的人；
eg. He was an early riser and he would be at the breakfast table at seven.
他习惯早起，7点钟就坐在桌前吃早餐。
eg. It can be tough to be an early riser, especially if it's before sunrise.
早起会很痛苦, 尤其是太阳还没升起之前。
注：late riser是习惯晚起的人；
eg. He's usually a late riser.
他经常很晚起床。
2. no difference
没区别；无差异；
eg. There is practically no difference.
实际上并无差别。
eg. Whether it rains or not makes no difference to me.
下不下雨对我来说都一样。
3. the same
同样的；相同的；
eg. The houses were all the same — square, close to the street, needing paint.
房子都一模一样——方方正正、临近街道、需要粉刷。
eg. People with the same experience in the job should be paid the same.
工作经历相同的人应拿同样的工资。
