Professors are passing the hat to help staff in their department.教授们正在凑钱帮助系里的同事。Professors, for the most part, are firmly committed to teaching, not research.大多数教授都投身于教学，而不是研究。Professors are notoriously difficult to mana...
她从未参与过为任何人获取或复制机密文件之事。She never participated in obtaining or copying any classified documents for anyone.复制的过程快捷、高效。The process of replication is very quick and efficient.盗版版本是对原版的低劣复制。The second-hand version is a poor c...