Airlines are especially vulnerable, because they depend so much on big-ticketbusiness travelers.
尤其是航空公司最易受到冲击，原因是它们太过依赖开支高的商务旅行者。
2
It recently announced that ticket sales for its top 100 ACTS dropped 9% for the year, amid a 17% drop in the concert business at large, and it expects sales to fall further.