Translate to Chinese again... PLEASE

Firstly it contributes to the maintenance of a regime of stable laws. This stability gives predicability to the law and affords a degree of security for individual rights. Secondly it ensures that the law develops only in accordance with the changing perceptions of the community and therefore more accurately reflects the morals and expectations of the community.
它的首項貢獻是協助維持法律制度的穩定, 法律制度既然穩定, 就有高度的可預知性 (清楚而不含糊, 不容易產生令人感到意外的結果), 也在某程度上確保個人權利得以維護.
其次, 它確保法律發展不會脫離社會變化的步伐和大眾對事物的見解, 因此, 更能準確地反映社會的道德標準和期望

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