One thing that he always did when he went on his grand tour is he always took fake names, as if he was signing into a hotel as Mr. and Mrs. John Smith.

当他环游西欧时,他常常使用假名,就好像入住酒店时登记用"张三"或"李四"做名字一样

耶鲁公开课 - 欧洲文明课程节选

You have own your way to a grand book tour to introduce your book to the country.

您应该到各地举行新书发布演说,像整个国家介绍这本书。

普林斯顿公开课 - 国际座谈会课程节选