B:By the way, Miss. Where is the toilet? 顺便问一下,小姐, 厕所在哪儿? A:Toilets are in the rear. I'm afraid all the toilets are fully occupied at the moment. 厕所在后面, 恐怕现在所有厕所都有人使用了. A:What? 什么? A:Oh, what a relief! Thank you very much for your help,Miss. 哦,轻爽多了! 非常感谢你的帮助,小姐. B:You're welcome. 不要客气.