"In a lot of the parts of the developing world this trust could be broken and because it's become so profitable to distribute,sell,manufacture, a lot of these products that are of low quality, and substandard."

VOA: standard.2010.06.07

Then, also emphasizing in the case of smallpox, how even after the scientific discovery was made, it took many, many decades for people to be able to produce the vaccine in large enough quantities and distribute it, so that you could think about making an impact on global prevalence of the disease.

同时重点就天花疫苗的发展展开了讨论,而即便当科学发现了天花病毒,仍然过了许多年,人类才能够,大规模生产并使用天花疫苗,由此你们可以了解到,在全球范围内,疫苗给天花以致命一击

耶鲁公开课 - 生物医学工程探索课程节选

in order to be able to distribute it on a mass scale. You needed a company of, with a lot of capital,

为了能够大规模发行。你需要一个有很多资金的公司，

音乐市场的变化 - SpeakingMax英语口语达人

"The delivery of capability here in Haiti is a balancing act that requires troops on the ground to distribute humanitarian assistance, the supplies for them to distribute and the mobility necessary for them to be able to reach the communities that are most stricken,".

VOA: standard.2010.01.19