重点讲解：
1. agree with 同意；赞成；意见一致；
例句：Needless to say, I agree with you.
不用说，我赞同你,Xw](i_CCp83tve|B33E。
2. from the ground up 从头开始；完全地，彻底地；
例句：He decided to learn the business from the ground up.
他决心对这个事业从头学起wGBz!ICNfX,4。
3. depend on 取决(于)；有赖(于)；
例句：They depend on a particular historical situation.
它们取决于特定的历史境况RNfi,4Kh7agpPp_e。
4. food for thought 引人深思；发人深省；
例句：Lord Fraser's speech offers much food for thought.
弗雷泽勋爵的讲演发人深省4RCMutzyyu*uQ]KW+R]。