Rollyo：使用这个高度自定义搜索引擎，你只要键入一个关键字或者短语，然后选择特定类别就可以搜索，类别包括旅游和酒店、卫生、明星绯闻等。
Rollyo: This highly customizable search engine lets you enter a keyword or phrase and then select specific categories to search, like travel and hotels, health, celebrity gossip and more.
Rollyo：使用这个高度自定义搜索引擎，你只要键入一个关键字或者短语，然后选择特定类别就可以搜索，类别包括旅游和酒店、卫生、明星绯闻等。
This highly customizable search engine lets you enter a keyword or phrase and then select specific categories to search, like travel and hotels, health, celebrity gossip and more.
课程可能包括旅游地理，客户服务，商业数学，酒店管理法，会计，大会营销和酒店预订系统等主题。
The course may include topics such as tourism geography, customer service, business math, hospitality law, accounting, convention marketing, and hotel reservations systems.
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