Some of the world's leading pharmaceutical companies are reaping billions of dollars in extra revenue amid rising global concern about the growing spread of swine flu. 随着全球对猪流感蔓延的担忧日益加剧，一些世界领先制药公司正因此获得数十亿美元的额外收入。
The spokesman Stephen McNamara said the airline had considered the fee as a possible source of extra revenue since passengers had the option of not using the toilet on board. 发言人纳马拉表示，既然乘客有不使用机上厕所的选择，瑞恩航空已考虑这一可能的额外收入来源。
