重点讲解:
1. come from
来自;始于;
eg. Chocolate comes from the cacao tree.
巧克力出自可可树 。
eg. The term 'claret', used to describe Bordeaux wines, may come from the French word 'clairet'.
用来指称波尔多葡萄酒的词 claret 可能源于法语单词 clairet 。
2. originate from
来源;起源;
eg. All carbohydrates originate from plants.
所有的碳水化合物均来自植物 。
eg. The rhythms of jazz music originate from African tribal music.
爵士乐的节奏起源于非洲的部落音乐 。
3. as far as I know
(用于表示不太确信)据我所知;就我记得的;
eg. It only lasted a couple of years, as far as I know.
据我所知,它仅仅维持了两三年 。
eg. So far as I know, she has a faculty of housekeeping.
就我所知,她很善于理家 。