重点讲解：
1. compared to 与…相比；和…比起来；
This can cause some duplication, compared to a more-normalized structure.
与更规范的结构相比，这可能会导致一些重复。
2. take part in 参加；参与；
His toes are hurt and he is unable to take part in today's basketball game.
因脚指受伤，他不能参加今天的篮球赛了。
3. be due to 由于；因为；
The problem may be due to poor workmanship.
问题可能在于工艺太差。
4. take up 接受；
It is wise of her to take up the job.
她接受那项工作，真是太明智了。