建立更加安全的社会，需要建设更为健全的初级群体。
To establish safer society, we need to construct healthier primary social group.
该模型将使牵引供电系统的建立更加安全、可靠、经济。
The model will make the traction power system to be more safe, reliable and economical.
这也让我们对于建立一个更加安全和稳定世界有了希望。
And with that, there is hope for us to build a more secure and stable world.
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