重点讲解：
1. know about 了解，掌握；
例句：I'd love to know about the plan.
我想知道这个计划。
2. be famous for 有名的；
例句：The villa is famous for its old style.
这所别墅以古旧的风格而著名。
3. other than 除了…之外；
例句：There may be alternative methods of substantiation other than written records.
除书面记录外，可能还有其他方法可以证实。
4. cut down 砍倒(树木)；
例句：Do not cut down the tree that gives you shade.
[谚]遮荫之树不可砍。
