掌握的英文短语knowledge

　　The personnel not only have a good knowledge of computer science, but also understand enterprises management.

　　这些人才不但要对计算机有足够的知识，同时也要了解企业管理。

　　Do you think it is important to have a good knowledge of direction when you are traveling in a strange city?

　　当您在陌生城市旅游的时候，熟悉城市的方向感对您来说重要吗？

　　Have a good knowledge of the menu and wine in the restaurant, and be responsible for cleaning the restaurant.

　　了解餐厅菜单、酒水知识，并负责打扫餐厅卫生。

　　Becoming a qualified tourist guide is on the premise that you have a good knowledge of the history and culture of the country.

　　合格的导游，就必须熟悉这个国家的历史和文化。