But Ridding says the paper is working on a micropayments system which they expect to roll out as early as next year.

VOA: standard.2009.12.05

Somebody say it real loud. Yes, the system is working on the surroundings, right? It's pushing out against them.

有人很大声的回答了，对，系统在对外做功，他把外界向外推开。

麻省理工公开课 - 热力学与动力学课程节选

Because it's working to defend us against many different kinds of potential assaults, the immune system has a diverse repertoire of responses that it uses in the face of these assaults.

免疫系统的工作就是抵御,不同种类的潜在威胁,免疫系统具备类型众多的免疫反应类型,以应对各种威胁

耶鲁公开课 - 生物医学工程探索课程节选

That is a question Rwanda's judiciary system has been working to answer since Laurent Nkunda's arrest in January.

VOA: standard.2009.04.18

Marchers from all walks of life were united in their belief that the current global economic system was simply not working and change was urgently needed.

VOA: standard.2009.03.28

That means,for example, working to improve the city's transportation system with more wheelchair accessible taxis, and providing working elevators for the subways and motorized lifts for buses.

VOA: standard.2010.07.27

Working for a health care system, I just don't like that word."

VOA: standard.2010.07.16

"This is a tragic thing," "We came into this crisis without the authority and the tools necessary to contain the damage to the American economy posedby the very severe pressures working through the financial system."

VOA: standard.2009.03.24

Sapolin says it also means working with the school system to ensure that children with disabilities receive the same education as their non-disabled peers, and seeing to it that that all public buildings comply with ADA requirements.

VOA: standard.2010.07.27

"We are working to establish a network and a system of protection of children and also to try to report cases of abuse and exploitation and try to save these children, put them in transit centers, try to recontact the family, and put them back with the family or with the extend family when the parents are not there or are not suitable to take care of the children,".

VOA: standard.2009.04.24