37. The custom can be traced back to the roman era.付小费这种习俗这种风俗可以追溯到古罗马时代。38. A more common belief is tips were first given in the 18th century England...
13. College students were a major force in the campaign, although participants of all ages were involved.尽管参加这次运动的人涉及到各个年龄段的人，但是大学生是这场运动的主导力量。14. thir...
49. Henry’s goal was to design and equip vessels that would be capable of making long ocean voyages without having to hug the shore.亨利王子的目标是要使设计和装备的轮船...
25. What they reject more than anything is conformity.他们所厌恶的莫过于循规蹈矩。26. These are not questions the old generations can shrug off lightly.对于这些问题，老一代人确...
用逆向法学习快两年了，感受真是太多了。千言万语汇成一句：It is terrific. It really works. I believe it. It can lead me to touch down.用逆向法学习，我最大的收获是重新认识了学习英语，学习英语是一种永不停歇的大脑英语思维的自我训...
take place发生，进行take the place of… 代替…make sense讲得通，有意义a great/good deal of大量(修饰不可数名词)influence on影响reply to…回答…，答复…once upon a time从前once in a while偶尔...