世博会期间，志愿者给每位游客留下了深刻的印象的翻译：During the Expo, volunteer to each visitor has left a deep impression 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

During the Expo, volunteers give each visitor left a deep impression

During the Expo, volunteer to each visitor has left a deep impression

World Expo period, the volunteer has made the profound impression for each tourist

During the Expo, volunteers, to each of the visitors have left a deep impression

During the Expo, volunteer to each visitor has left a deep impression