Porter Gale, Virgin’s vice president of marketing, said there were safeguards against abuse and that a passenger could simply turn off the messaging function.
维珍航空营销副总裁波特盖尔说，如果害怕这项功能被滥用，乘客只需要简单的把它关掉即可。
2
The work of passenger traffic marketing is embodied by analysis of marketing and design of product of passenger traffic.
客运营销工作主要是通过营销分析和客运产品设计与优化来实现的。
3
The marketing quality of passenger station is affected by manyfactors and most of them are too blurry to be quantified.