同学你好，该知识点来自沪江网校《BEC商务英语初、中、高级连读【签约 双旦特惠班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好，
She didn't have to hail herself a taxi（拦出租车）

These are some treatments you don't get everyday，（but on the other hand, it's really good to know the airlines are showing concern to the disadvantaged）这是一些你在平时不常碰到的优待，但是另一方面，我们能从中了解到航空公司对弱势群体的照顾。

希望对你有帮助。