1、Many people agree that a knowledge of English is a must in international trade today.
许多人赞成当今国际贸易中英语知识是不可缺少的东西。
2、Knowledge begins with practice.
认识从实践开始。
3、They did it without my knowledge.
他们是背着我做这件事的。
4、He has a wide knowledge of history.
他有广泛的历史知识。