He took a master's degree in economics at Yale.他选择了攻读耶鲁大学的经济学硕士学位。His class voted him the man 'who had done the most for Yale.'...他被班里评选为“为耶鲁作出最大贡献”的人。I came into contact with very bright Harvard and Yale ...
Conservationists are mostly wedded to preserving diversity in nature.自然环境保护主义者大多致力于保持物种的多样性。Vinegar is used in preserving food.醋可用来保存食物.Conservation is an issue which gets a lot of attention these days — whether it means...