重点讲解：
1. eat into 耗费；
例句：Responsibilities at home and work eat into his time.
家庭和工作的责任耗费着他的时间。
2. be used to doing sth. 习惯于；
例句：The old man and his wife have been used to living a simple life.
这对老夫妇已经过惯了简朴的生活。
3. used to do sth. 过去常常；过去曾；
例句：Naomi used to go to church in Granville every Sunday.
娜奥米以前每个星期天都去格兰维尔的教堂做礼拜。
4. in that regard 在那方面；就那一点；
例句：I may have made a mistake in that regard.
我在那一点上可能已经犯了一个错误。
