重点讲解：
1. care about
关心；在乎；在意；
eg. Joe Sixpack doesn't care about that.
普通工人不在意那事。
eg. He is extremely careful about his appearance.
他十分讲究外表。
2. be different from
和……不同；
eg. Presidents are not any different from anybody else; they're human beings.
总统跟一般人没有什么不同；他们也是人。
eg. The Neanderthals were very robust and quite different from us.
尼安德特时期的人非常强壮，和我们迥然不同。
3. be addicted to
入迷的；着迷的；
eg. He was passionately addicted to pop music.
他酷爱流行音乐。
eg. The man was addicted to booze and gambling.
那人沈迷于酗酒和赌博
