They have been working on improving their methods and they're trying to create divisions within their organizations that prevent the moral hazard from happening.

他们已经对技术进行改进,并且他们正尝试,在机构中划分部门,以便防范道德风险的发生

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who're interested, (a) in improving their own Spanish- speaking skills, and (b) helping out the community.

如果他们对这个活动感兴趣，想要提高自己的西班牙语水平，同时愿意为社区尽一份力，

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