It's no coincidence that elephants, like the other animals that pass the test, have complex social systems.

大象和其他能够通过这项实验的通过都拥有复杂的社会体系，这并不是巧合。

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China and Britain have different histories, cultural traditions and social systems. It's unavoidable that we may disagree here and there.

中英两国历史文化传统、社会制度不同，难免在一些问题上有不同看法。

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In this sense consciousness and its characteristic relation to other people obviously play an important role in the processes of stabilizing social systems.

在这个意义上，意识和它与其他人互动的特性，在稳定社会系统的过程中，有重要作用。

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Women usually have stronger social support systems to help them in times of trouble.

VOA: special.2009.03.24

UNICEF's head in Ziguinchor, Christina de Bruin, says systems for child protection need to be improved, along with encouraging social change in how people deal with this violence, and reinforcing partnerships and protection systems to deal with emergency cases.

VOA: standard.2010.06.29

Despite the fact that many have been living in Lebanon for generations, they are still refugees, and as such are forced to live in squalid camps, are denied access to the state's social security, health-care or education systems, and can only work in menial jobs.

VOA: standard.2010.06.29

On top of destabilizing health systems, there are profound cost implications for economic and social systems.

CNN: How hubris put our health at risk

Finally, instead of adopting a fortress mentality, policy should promote resilience in both technological and social systems.

FORBES: Cyberwar Hype Comes Under Increasing Scrutiny

Instead, what history and sociology show us is that both technological systems and social systems are more resilient than we often assume.

FORBES: Cyberwar Hype Comes Under Increasing Scrutiny