权利限制也须被限制，这些限制包括遵守权利位阶的原则、法律保留原则、比例原则等。
It should obey some rule, such as the rule of right-hierarchy, the rule of proportion.
在德国，我们的原则是尽一切可能保留老建筑。
In Germany, the principle is to keep as many houses as possible.
在德国，我们的原则是尽一切可能保留老建筑。
In Germany, the principle is to keep as many houses as possible.
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