重点讲解：
1. enable sb. to do sth. 使能够；使有机会；
例句：Hobbies may enable you to make many friends.
业余爱好能够使你结识很多朋友。
2. rather than 而非；胜于；而不是；
例句：I think I'll have a cold drink rather than coffee.
我想喝冷饮，不想喝咖啡。
3. be expected to do sth. 预期；预料；
例句：The cow is expected to calve next week.
这头母牛预期下周生小牛。
4. as well as 除…之外；也；还；
例句：My brother likes to eat apples as well as oranges.
我弟弟喜欢吃苹果和橙子。