I do like an established legal precedent.

我是喜欢建立好的法律先例。

So at this point, photojournalistic efforts had shone a light on the deplorable conditions of slums and privately run charitable homes were already an established precedent.

因此，在这一点上，摄影记者的努力揭示了贫民窟的悲惨状况，私人经营的慈善机构已经是一个先例。